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Finding the Fourth Proportional to 58,486.23, 80,710.79 and 31,628.61

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Solution

The fourth proportional to 58,486.23, 80,710.79 and 31,628.61 is: 43,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,486.23 : 80,710.79 = 31,628.61 : x
  2. Step 2: Convert to fraction form
    58,486.23/80,710.79 = 31,628.61/x
  3. Step 3: Cross multiply
    58,486.23x = 80,710.79 × 31,628.61
  4. Step 4: Simplify right side
    58,486.23x = 2,552,769,941.56
  5. Step 5: Solve for x
    x = 2,552,769,941.56/58,486.23
  6. Step 6: Final answer
    x = 43,647.37

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