Finding the Fourth Proportional to 10,382.55, 14,321.52 and 7,399.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,382.55 : 14,321.52 = 7,399.35 : x
2. Step 2: Convert to fraction form
   10,382.55/14,321.52 = 7,399.35/x
3. Step 3: Cross multiply
   10,382.55x = 14,321.52 × 7,399.35
4. Step 4: Simplify right side
   10,382.55x = 105,969,939.01
5. Step 5: Solve for x
   x = 105,969,939.01/10,382.55
6. Step 6: Final answer
   x = 10,206.54