Finding the Fourth Proportional to 8,981.28, 12,393.72 and 5,002.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,981.28 : 12,393.72 = 5,002.80 : x
2. Step 2: Convert to fraction form
   8,981.28/12,393.72 = 5,002.80/x
3. Step 3: Cross multiply
   8,981.28x = 12,393.72 × 5,002.80
4. Step 4: Simplify right side
   8,981.28x = 62,003,302.42
5. Step 5: Solve for x
   x = 62,003,302.42/8,981.28
6. Step 6: Final answer
   x = 6,903.62