Finding the Fourth Proportional to 22,663.56, 31,275.72 and 12,593.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,663.56 : 31,275.72 = 12,593.64 : x
2. Step 2: Convert to fraction form
   22,663.56/31,275.72 = 12,593.64/x
3. Step 3: Cross multiply
   22,663.56x = 31,275.72 × 12,593.64
4. Step 4: Simplify right side
   22,663.56x = 393,875,158.42
5. Step 5: Solve for x
   x = 393,875,158.42/22,663.56
6. Step 6: Final answer
   x = 17,379.23