Finding the Fourth Proportional to 111,557.93, 153,892.91 and 71,229.29

Step by Step Solution

1. Step 1: Write the proportion equation
   111,557.93 : 153,892.91 = 71,229.29 : x
2. Step 2: Convert to fraction form
   111,557.93/153,892.91 = 71,229.29/x
3. Step 3: Cross multiply
   111,557.93x = 153,892.91 × 71,229.29
4. Step 4: Simplify right side
   111,557.93x = 10,961,682,359.19
5. Step 5: Solve for x
   x = 10,961,682,359.19/111,557.93
6. Step 6: Final answer
   x = 98,260.00