Finding the Fourth Proportional to 22,565.98, 31,139.87 and 12,494.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,565.98 : 31,139.87 = 12,494.24 : x
2. Step 2: Convert to fraction form
   22,565.98/31,139.87 = 12,494.24/x
3. Step 3: Cross multiply
   22,565.98x = 31,139.87 × 12,494.24
4. Step 4: Simplify right side
   22,565.98x = 389,069,009.35
5. Step 5: Solve for x
   x = 389,069,009.35/22,565.98
6. Step 6: Final answer
   x = 17,241.40