Finding the Fourth Proportional to 9,873.28, 14,816.28 and 5,710.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,873.28 : 14,816.28 = 5,710.72 : x
2. Step 2: Convert to fraction form
   9,873.28/14,816.28 = 5,710.72/x
3. Step 3: Cross multiply
   9,873.28x = 14,816.28 × 5,710.72
4. Step 4: Simplify right side
   9,873.28x = 84,611,626.52
5. Step 5: Solve for x
   x = 84,611,626.52/9,873.28
6. Step 6: Final answer
   x = 8,569.76