Finding the Fourth Proportional to 59,490.08, 89,172.12 and 21,513.92

Step by Step Solution

1. Step 1: Write the proportion equation
   59,490.08 : 89,172.12 = 21,513.92 : x
2. Step 2: Convert to fraction form
   59,490.08/89,172.12 = 21,513.92/x
3. Step 3: Cross multiply
   59,490.08x = 89,172.12 × 21,513.92
4. Step 4: Simplify right side
   59,490.08x = 1,918,441,855.91
5. Step 5: Solve for x
   x = 1,918,441,855.91/59,490.08
6. Step 6: Final answer
   x = 32,248.10