Finding the Fourth Proportional to 22,702.42, 31,329.58 and 12,493.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,702.42 : 31,329.58 = 12,493.59 : x
2. Step 2: Convert to fraction form
   22,702.42/31,329.58 = 12,493.59/x
3. Step 3: Cross multiply
   22,702.42x = 31,329.58 × 12,493.59
4. Step 4: Simplify right side
   22,702.42x = 391,418,927.39
5. Step 5: Solve for x
   x = 391,418,927.39/22,702.42
6. Step 6: Final answer
   x = 17,241.29