Finding the Fourth Proportional to 10,502.60, 14,483.84 and 7,665.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,502.60 : 14,483.84 = 7,665.47 : x
2. Step 2: Convert to fraction form
   10,502.60/14,483.84 = 7,665.47/x
3. Step 3: Cross multiply
   10,502.60x = 14,483.84 × 7,665.47
4. Step 4: Simplify right side
   10,502.60x = 111,025,466.04
5. Step 5: Solve for x
   x = 111,025,466.04/10,502.60
6. Step 6: Final answer
   x = 10,571.24