Finding the Fourth Proportional to 22,577.55, 31,155.65 and 12,505.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,577.55 : 31,155.65 = 12,505.41 : x
2. Step 2: Convert to fraction form
   22,577.55/31,155.65 = 12,505.41/x
3. Step 3: Cross multiply
   22,577.55x = 31,155.65 × 12,505.41
4. Step 4: Simplify right side
   22,577.55x = 389,613,958.76
5. Step 5: Solve for x
   x = 389,613,958.76/22,577.55
6. Step 6: Final answer
   x = 17,256.70