Finding the Fourth Proportional to 8,985.23, 12,399.36 and 5,006.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,985.23 : 12,399.36 = 5,006.10 : x
2. Step 2: Convert to fraction form
   8,985.23/12,399.36 = 5,006.10/x
3. Step 3: Cross multiply
   8,985.23x = 12,399.36 × 5,006.10
4. Step 4: Simplify right side
   8,985.23x = 62,072,436.10
5. Step 5: Solve for x
   x = 62,072,436.10/8,985.23
6. Step 6: Final answer
   x = 6,908.28