Finding the Fourth Proportional to 110,865.05, 152,948.46 and 81,862.91

Step by Step Solution

1. Step 1: Write the proportion equation
   110,865.05 : 152,948.46 = 81,862.91 : x
2. Step 2: Convert to fraction form
   110,865.05/152,948.46 = 81,862.91/x
3. Step 3: Cross multiply
   110,865.05x = 152,948.46 × 81,862.91
4. Step 4: Simplify right side
   110,865.05x = 12,520,805,250.88
5. Step 5: Solve for x
   x = 12,520,805,250.88/110,865.05
6. Step 6: Final answer
   x = 112,937.36