Finding the Fourth Proportional to 22,527.72, 31,088.00 and 12,456.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,527.72 : 31,088.00 = 12,456.38 : x
2. Step 2: Convert to fraction form
   22,527.72/31,088.00 = 12,456.38/x
3. Step 3: Cross multiply
   22,527.72x = 31,088.00 × 12,456.38
4. Step 4: Simplify right side
   22,527.72x = 387,244,050.30
5. Step 5: Solve for x
   x = 387,244,050.30/22,527.72
6. Step 6: Final answer
   x = 17,189.67