Finding the Fourth Proportional to 110,866.05, 152,949.84 and 81,863.91

Step by Step Solution

1. Step 1: Write the proportion equation
   110,866.05 : 152,949.84 = 81,863.91 : x
2. Step 2: Convert to fraction form
   110,866.05/152,949.84 = 81,863.91/x
3. Step 3: Cross multiply
   110,866.05x = 152,949.84 × 81,863.91
4. Step 4: Simplify right side
   110,866.05x = 12,521,071,936.27
5. Step 5: Solve for x
   x = 12,521,071,936.27/110,866.05
6. Step 6: Final answer
   x = 112,938.74