Finding the Fourth Proportional to 9,280.52, 12,807.08 and 5,088.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.52 : 12,807.08 = 5,088.76 : x
2. Step 2: Convert to fraction form
   9,280.52/12,807.08 = 5,088.76/x
3. Step 3: Cross multiply
   9,280.52x = 12,807.08 × 5,088.76
4. Step 4: Simplify right side
   9,280.52x = 65,172,156.42
5. Step 5: Solve for x
   x = 65,172,156.42/9,280.52
6. Step 6: Final answer
   x = 7,022.47