Finding the Fourth Proportional to 22,549.41, 31,116.02 and 13,118.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,549.41 : 31,116.02 = 13,118.31 : x
2. Step 2: Convert to fraction form
   22,549.41/31,116.02 = 13,118.31/x
3. Step 3: Cross multiply
   22,549.41x = 31,116.02 × 13,118.31
4. Step 4: Simplify right side
   22,549.41x = 408,189,530.73
5. Step 5: Solve for x
   x = 408,189,530.73/22,549.41
6. Step 6: Final answer
   x = 18,102.00