Finding the Fourth Proportional to 88,761.12, 122,282.01 and 61,854.72

Step by Step Solution

1. Step 1: Write the proportion equation
   88,761.12 : 122,282.01 = 61,854.72 : x
2. Step 2: Convert to fraction form
   88,761.12/122,282.01 = 61,854.72/x
3. Step 3: Cross multiply
   88,761.12x = 122,282.01 × 61,854.72
4. Step 4: Simplify right side
   88,761.12x = 7,563,719,489.59
5. Step 5: Solve for x
   x = 7,563,719,489.59/88,761.12
6. Step 6: Final answer
   x = 85,214.33