Finding the Fourth Proportional to 111,892.10, 168,032.55 and 59,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,892.10 : 168,032.55 = 59,404.10 : x
2. Step 2: Convert to fraction form
   111,892.10/168,032.55 = 59,404.10/x
3. Step 3: Cross multiply
   111,892.10x = 168,032.55 × 59,404.10
4. Step 4: Simplify right side
   111,892.10x = 9,981,822,403.46
5. Step 5: Solve for x
   x = 9,981,822,403.46/111,892.10
6. Step 6: Final answer
   x = 89,209.36