Finding the Fourth Proportional to 22,499.34, 31,037.25 and 18,255.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,499.34 : 31,037.25 = 18,255.15 : x
2. Step 2: Convert to fraction form
   22,499.34/31,037.25 = 18,255.15/x
3. Step 3: Cross multiply
   22,499.34x = 31,037.25 × 18,255.15
4. Step 4: Simplify right side
   22,499.34x = 566,589,654.34
5. Step 5: Solve for x
   x = 566,589,654.34/22,499.34
6. Step 6: Final answer
   x = 25,182.50