Finding the Fourth Proportional to 88,196.22, 132,294.69 and 21,636.78

Step by Step Solution

1. Step 1: Write the proportion equation
   88,196.22 : 132,294.69 = 21,636.78 : x
2. Step 2: Convert to fraction form
   88,196.22/132,294.69 = 21,636.78/x
3. Step 3: Cross multiply
   88,196.22x = 132,294.69 × 21,636.78
4. Step 4: Simplify right side
   88,196.22x = 2,862,431,102.70
5. Step 5: Solve for x
   x = 2,862,431,102.70/88,196.22
6. Step 6: Final answer
   x = 32,455.26