Finding the Fourth Proportional to 10,487.68, 14,472.88 and 5,771.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.68 : 14,472.88 = 5,771.86 : x
2. Step 2: Convert to fraction form
   10,487.68/14,472.88 = 5,771.86/x
3. Step 3: Cross multiply
   10,487.68x = 14,472.88 × 5,771.86
4. Step 4: Simplify right side
   10,487.68x = 83,535,386.54
5. Step 5: Solve for x
   x = 83,535,386.54/10,487.68
6. Step 6: Final answer
   x = 7,965.10