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Finding the Fourth Proportional to 305,663.94, 458,501.31 and 105,991.38

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Solution

The fourth proportional to 305,663.94, 458,501.31 and 105,991.38 is: 158,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,663.94 : 458,501.31 = 105,991.38 : x
  2. Step 2: Convert to fraction form
    305,663.94/458,501.31 = 105,991.38/x
  3. Step 3: Cross multiply
    305,663.94x = 458,501.31 × 105,991.38
  4. Step 4: Simplify right side
    305,663.94x = 48,597,186,578.71
  5. Step 5: Solve for x
    x = 48,597,186,578.71/305,663.94
  6. Step 6: Final answer
    x = 158,988.94

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