Finding the Fourth Proportional to 13,080.50, 18,047.10 and 7,414.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,080.50 : 18,047.10 = 7,414.34 : x
2. Step 2: Convert to fraction form
   13,080.50/18,047.10 = 7,414.34/x
3. Step 3: Cross multiply
   13,080.50x = 18,047.10 × 7,414.34
4. Step 4: Simplify right side
   13,080.50x = 133,807,335.41
5. Step 5: Solve for x
   x = 133,807,335.41/13,080.50
6. Step 6: Final answer
   x = 10,229.53