Finding the Fourth Proportional to 12,331.43, 18,499.91 and 3,567.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,331.43 : 18,499.91 = 3,567.03 : x
2. Step 2: Convert to fraction form
   12,331.43/18,499.91 = 3,567.03/x
3. Step 3: Cross multiply
   12,331.43x = 18,499.91 × 3,567.03
4. Step 4: Simplify right side
   12,331.43x = 65,989,641.47
5. Step 5: Solve for x
   x = 65,989,641.47/12,331.43
6. Step 6: Final answer
   x = 5,351.34