Finding the Fourth Proportional to 88,561.59, 132,255.37 and 77,830.71

Step by Step Solution

1. Step 1: Write the proportion equation
   88,561.59 : 132,255.37 = 77,830.71 : x
2. Step 2: Convert to fraction form
   88,561.59/132,255.37 = 77,830.71/x
3. Step 3: Cross multiply
   88,561.59x = 132,255.37 × 77,830.71
4. Step 4: Simplify right side
   88,561.59x = 10,293,529,153.84
5. Step 5: Solve for x
   x = 10,293,529,153.84/88,561.59
6. Step 6: Final answer
   x = 116,230.18