Finding the Fourth Proportional to 12,704.18, 17,532.86 and 7,399.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,704.18 : 17,532.86 = 7,399.49 : x
2. Step 2: Convert to fraction form
   12,704.18/17,532.86 = 7,399.49/x
3. Step 3: Cross multiply
   12,704.18x = 17,532.86 × 7,399.49
4. Step 4: Simplify right side
   12,704.18x = 129,734,097.58
5. Step 5: Solve for x
   x = 129,734,097.58/12,704.18
6. Step 6: Final answer
   x = 10,211.93