Finding the Fourth Proportional to 88,217.82, 132,328.89 and 25,890.30

Step by Step Solution

1. Step 1: Write the proportion equation
   88,217.82 : 132,328.89 = 25,890.30 : x
2. Step 2: Convert to fraction form
   88,217.82/132,328.89 = 25,890.30/x
3. Step 3: Cross multiply
   88,217.82x = 132,328.89 × 25,890.30
4. Step 4: Simplify right side
   88,217.82x = 3,426,034,660.77
5. Step 5: Solve for x
   x = 3,426,034,660.77/88,217.82
6. Step 6: Final answer
   x = 38,836.08