Finding the Fourth Proportional to 102,814.52, 141,892.56 and 57,496.23

Step by Step Solution

1. Step 1: Write the proportion equation
   102,814.52 : 141,892.56 = 57,496.23 : x
2. Step 2: Convert to fraction form
   102,814.52/141,892.56 = 57,496.23/x
3. Step 3: Cross multiply
   102,814.52x = 141,892.56 × 57,496.23
4. Step 4: Simplify right side
   102,814.52x = 8,158,287,265.05
5. Step 5: Solve for x
   x = 8,158,287,265.05/102,814.52
6. Step 6: Final answer
   x = 79,349.57