Finding the Fourth Proportional to 10,387.74, 14,330.10 and 7,550.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,387.74 : 14,330.10 = 7,550.72 : x
2. Step 2: Convert to fraction form
   10,387.74/14,330.10 = 7,550.72/x
3. Step 3: Cross multiply
   10,387.74x = 14,330.10 × 7,550.72
4. Step 4: Simplify right side
   10,387.74x = 108,202,463.27
5. Step 5: Solve for x
   x = 108,202,463.27/10,387.74
6. Step 6: Final answer
   x = 10,416.36