Finding the Fourth Proportional to 22,616.41, 31,214.38 and 12,548.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,616.41 : 31,214.38 = 12,548.10 : x
2. Step 2: Convert to fraction form
   22,616.41/31,214.38 = 12,548.10/x
3. Step 3: Cross multiply
   22,616.41x = 31,214.38 × 12,548.10
4. Step 4: Simplify right side
   22,616.41x = 391,681,005.61
5. Step 5: Solve for x
   x = 391,681,005.61/22,616.41
6. Step 6: Final answer
   x = 17,318.44