Finding the Fourth Proportional to 8,784.80, 12,124.14 and 5,762.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.80 : 12,124.14 = 5,762.47 : x
2. Step 2: Convert to fraction form
   8,784.80/12,124.14 = 5,762.47/x
3. Step 3: Cross multiply
   8,784.80x = 12,124.14 × 5,762.47
4. Step 4: Simplify right side
   8,784.80x = 69,864,993.03
5. Step 5: Solve for x
   x = 69,864,993.03/8,784.80
6. Step 6: Final answer
   x = 7,952.94