Finding the Fourth Proportional to 112,892.52, 155,807.82 and 65,162.28

Step by Step Solution

1. Step 1: Write the proportion equation
   112,892.52 : 155,807.82 = 65,162.28 : x
2. Step 2: Convert to fraction form
   112,892.52/155,807.82 = 65,162.28/x
3. Step 3: Cross multiply
   112,892.52x = 155,807.82 × 65,162.28
4. Step 4: Simplify right side
   112,892.52x = 10,152,792,793.03
5. Step 5: Solve for x
   x = 10,152,792,793.03/112,892.52
6. Step 6: Final answer
   x = 89,933.26