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Finding the Fourth Proportional to 58,770.81, 81,101.61 and 31,912.79

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Solution

The fourth proportional to 58,770.81, 81,101.61 and 31,912.79 is: 44,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,770.81 : 81,101.61 = 31,912.79 : x
  2. Step 2: Convert to fraction form
    58,770.81/81,101.61 = 31,912.79/x
  3. Step 3: Cross multiply
    58,770.81x = 81,101.61 × 31,912.79
  4. Step 4: Simplify right side
    58,770.81x = 2,588,178,243.08
  5. Step 5: Solve for x
    x = 2,588,178,243.08/58,770.81
  6. Step 6: Final answer
    x = 44,038.50

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