Finding the Fourth Proportional to 88,799.74, 132,551.83 and 77,589.55

Step by Step Solution

1. Step 1: Write the proportion equation
   88,799.74 : 132,551.83 = 77,589.55 : x
2. Step 2: Convert to fraction form
   88,799.74/132,551.83 = 77,589.55/x
3. Step 3: Cross multiply
   88,799.74x = 132,551.83 × 77,589.55
4. Step 4: Simplify right side
   88,799.74x = 10,284,635,922.01
5. Step 5: Solve for x
   x = 10,284,635,922.01/88,799.74
6. Step 6: Final answer
   x = 115,818.31