Finding the Fourth Proportional to 22,565.58, 31,139.73 and 12,494.44

Step by Step Solution

1. Step 1: Write the proportion equation
   22,565.58 : 31,139.73 = 12,494.44 : x
2. Step 2: Convert to fraction form
   22,565.58/31,139.73 = 12,494.44/x
3. Step 3: Cross multiply
   22,565.58x = 31,139.73 × 12,494.44
4. Step 4: Simplify right side
   22,565.58x = 389,073,488.10
5. Step 5: Solve for x
   x = 389,073,488.10/22,565.58
6. Step 6: Final answer
   x = 17,241.90