Finding the Fourth Proportional to 22,578.37, 31,155.06 and 12,504.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,578.37 : 31,155.06 = 12,504.32 : x
2. Step 2: Convert to fraction form
   22,578.37/31,155.06 = 12,504.32/x
3. Step 3: Cross multiply
   22,578.37x = 31,155.06 × 12,504.32
4. Step 4: Simplify right side
   22,578.37x = 389,572,839.86
5. Step 5: Solve for x
   x = 389,572,839.86/22,578.37
6. Step 6: Final answer
   x = 17,254.25