Finding the Fourth Proportional to 22,503.38, 31,054.29 and 12,432.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,503.38 : 31,054.29 = 12,432.24 : x
2. Step 2: Convert to fraction form
   22,503.38/31,054.29 = 12,432.24/x
3. Step 3: Cross multiply
   22,503.38x = 31,054.29 × 12,432.24
4. Step 4: Simplify right side
   22,503.38x = 386,074,400.86
5. Step 5: Solve for x
   x = 386,074,400.86/22,503.38
6. Step 6: Final answer
   x = 17,156.29