Finding the Fourth Proportional to 9,280.69, 12,807.96 and 5,088.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.69 : 12,807.96 = 5,088.94 : x
2. Step 2: Convert to fraction form
   9,280.69/12,807.96 = 5,088.94/x
3. Step 3: Cross multiply
   9,280.69x = 12,807.96 × 5,088.94
4. Step 4: Simplify right side
   9,280.69x = 65,178,907.94
5. Step 5: Solve for x
   x = 65,178,907.94/9,280.69
6. Step 6: Final answer
   x = 7,023.07