Finding the Fourth Proportional to 21,647.59, 29,874.56 and 12,088.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,647.59 : 29,874.56 = 12,088.04 : x
2. Step 2: Convert to fraction form
   21,647.59/29,874.56 = 12,088.04/x
3. Step 3: Cross multiply
   21,647.59x = 29,874.56 × 12,088.04
4. Step 4: Simplify right side
   21,647.59x = 361,124,666.45
5. Step 5: Solve for x
   x = 361,124,666.45/21,647.59
6. Step 6: Final answer
   x = 16,681.98