Finding the Fourth Proportional to 22,503.72, 31,054.93 and 12,432.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,503.72 : 31,054.93 = 12,432.41 : x
2. Step 2: Convert to fraction form
   22,503.72/31,054.93 = 12,432.41/x
3. Step 3: Cross multiply
   22,503.72x = 31,054.93 × 12,432.41
4. Step 4: Simplify right side
   22,503.72x = 386,087,622.28
5. Step 5: Solve for x
   x = 386,087,622.28/22,503.72
6. Step 6: Final answer
   x = 17,156.61