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Finding the Fourth Proportional to 187,678.69, 258,996.62 and 102,798.79

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Solution

The fourth proportional to 187,678.69, 258,996.62 and 102,798.79 is: 141,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,678.69 : 258,996.62 = 102,798.79 : x
  2. Step 2: Convert to fraction form
    187,678.69/258,996.62 = 102,798.79/x
  3. Step 3: Cross multiply
    187,678.69x = 258,996.62 × 102,798.79
  4. Step 4: Simplify right side
    187,678.69x = 26,624,538,759.60
  5. Step 5: Solve for x
    x = 26,624,538,759.60/187,678.69
  6. Step 6: Final answer
    x = 141,862.35

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