Finding the Fourth Proportional to 88,211.42, 132,297.18 and 40,800.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,211.42 : 132,297.18 = 40,800.50 : x
2. Step 2: Convert to fraction form
   88,211.42/132,297.18 = 40,800.50/x
3. Step 3: Cross multiply
   88,211.42x = 132,297.18 × 40,800.50
4. Step 4: Simplify right side
   88,211.42x = 5,397,791,092.59
5. Step 5: Solve for x
   x = 5,397,791,092.59/88,211.42
6. Step 6: Final answer
   x = 61,191.52