Finding the Fourth Proportional to 8,985.71, 12,399.12 and 5,006.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,985.71 : 12,399.12 = 5,006.27 : x
2. Step 2: Convert to fraction form
   8,985.71/12,399.12 = 5,006.27/x
3. Step 3: Cross multiply
   8,985.71x = 12,399.12 × 5,006.27
4. Step 4: Simplify right side
   8,985.71x = 62,073,280.49
5. Step 5: Solve for x
   x = 62,073,280.49/8,985.71
6. Step 6: Final answer
   x = 6,908.00