Finding the Fourth Proportional to 59,139.92, 88,721.56 and 21,700.30

Step by Step Solution

1. Step 1: Write the proportion equation
   59,139.92 : 88,721.56 = 21,700.30 : x
2. Step 2: Convert to fraction form
   59,139.92/88,721.56 = 21,700.30/x
3. Step 3: Cross multiply
   59,139.92x = 88,721.56 × 21,700.30
4. Step 4: Simplify right side
   59,139.92x = 1,925,284,468.47
5. Step 5: Solve for x
   x = 1,925,284,468.47/59,139.92
6. Step 6: Final answer
   x = 32,554.74