Finding the Fourth Proportional to 73,892.71, 101,984.43 and 42,057.28

Step by Step Solution

1. Step 1: Write the proportion equation
   73,892.71 : 101,984.43 = 42,057.28 : x
2. Step 2: Convert to fraction form
   73,892.71/101,984.43 = 42,057.28/x
3. Step 3: Cross multiply
   73,892.71x = 101,984.43 × 42,057.28
4. Step 4: Simplify right side
   73,892.71x = 4,289,187,728.15
5. Step 5: Solve for x
   x = 4,289,187,728.15/73,892.71
6. Step 6: Final answer
   x = 58,046.16