Finding the Fourth Proportional to 8,778.26, 12,114.72 and 5,002.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,778.26 : 12,114.72 = 5,002.60 : x
2. Step 2: Convert to fraction form
   8,778.26/12,114.72 = 5,002.60/x
3. Step 3: Cross multiply
   8,778.26x = 12,114.72 × 5,002.60
4. Step 4: Simplify right side
   8,778.26x = 60,605,098.27
5. Step 5: Solve for x
   x = 60,605,098.27/8,778.26
6. Step 6: Final answer
   x = 6,904.00