Finding the Fourth Proportional to 88,087.91, 132,131.39 and 21,528.32

Step by Step Solution

1. Step 1: Write the proportion equation
   88,087.91 : 132,131.39 = 21,528.32 : x
2. Step 2: Convert to fraction form
   88,087.91/132,131.39 = 21,528.32/x
3. Step 3: Cross multiply
   88,087.91x = 132,131.39 × 21,528.32
4. Step 4: Simplify right side
   88,087.91x = 2,844,566,077.67
5. Step 5: Solve for x
   x = 2,844,566,077.67/88,087.91
6. Step 6: Final answer
   x = 32,292.36