Finding the Fourth Proportional to 110,853.16, 152,932.05 and 81,851.04

Step by Step Solution

1. Step 1: Write the proportion equation
   110,853.16 : 152,932.05 = 81,851.04 : x
2. Step 2: Convert to fraction form
   110,853.16/152,932.05 = 81,851.04/x
3. Step 3: Cross multiply
   110,853.16x = 152,932.05 × 81,851.04
4. Step 4: Simplify right side
   110,853.16x = 12,517,647,341.83
5. Step 5: Solve for x
   x = 12,517,647,341.83/110,853.16
6. Step 6: Final answer
   x = 112,920.98