Finding the Fourth Proportional to 22,909.59, 31,617.24 and 13,348.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,909.59 : 31,617.24 = 13,348.98 : x
2. Step 2: Convert to fraction form
   22,909.59/31,617.24 = 13,348.98/x
3. Step 3: Cross multiply
   22,909.59x = 31,617.24 × 13,348.98
4. Step 4: Simplify right side
   22,909.59x = 422,057,679.58
5. Step 5: Solve for x
   x = 422,057,679.58/22,909.59
6. Step 6: Final answer
   x = 18,422.76