Finding the Fourth Proportional to 10,397.88, 14,344.50 and 7,039.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,397.88 : 14,344.50 = 7,039.47 : x
2. Step 2: Convert to fraction form
   10,397.88/14,344.50 = 7,039.47/x
3. Step 3: Cross multiply
   10,397.88x = 14,344.50 × 7,039.47
4. Step 4: Simplify right side
   10,397.88x = 100,977,677.42
5. Step 5: Solve for x
   x = 100,977,677.42/10,397.88
6. Step 6: Final answer
   x = 9,711.37