Finding the Fourth Proportional to 10,487.88, 14,473.40 and 5,772.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.88 : 14,473.40 = 5,772.24 : x
2. Step 2: Convert to fraction form
   10,487.88/14,473.40 = 5,772.24/x
3. Step 3: Cross multiply
   10,487.88x = 14,473.40 × 5,772.24
4. Step 4: Simplify right side
   10,487.88x = 83,543,909.55
5. Step 5: Solve for x
   x = 83,543,909.55/10,487.88
6. Step 6: Final answer
   x = 7,965.76