Finding the Fourth Proportional to 83,724.28, 125,463.54 and 42,114.04

Step by Step Solution

1. Step 1: Write the proportion equation
   83,724.28 : 125,463.54 = 42,114.04 : x
2. Step 2: Convert to fraction form
   83,724.28/125,463.54 = 42,114.04/x
3. Step 3: Cross multiply
   83,724.28x = 125,463.54 × 42,114.04
4. Step 4: Simplify right side
   83,724.28x = 5,283,776,542.10
5. Step 5: Solve for x
   x = 5,283,776,542.10/83,724.28
6. Step 6: Final answer
   x = 63,109.25