Finding the Fourth Proportional to 22,593.83, 31,179.50 and 12,522.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,593.83 : 31,179.50 = 12,522.08 : x
2. Step 2: Convert to fraction form
   22,593.83/31,179.50 = 12,522.08/x
3. Step 3: Cross multiply
   22,593.83x = 31,179.50 × 12,522.08
4. Step 4: Simplify right side
   22,593.83x = 390,431,974.85
5. Step 5: Solve for x
   x = 390,431,974.85/22,593.83
6. Step 6: Final answer
   x = 17,280.47