Finding the Fourth Proportional to 8,988.52, 12,404.91 and 5,009.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,988.52 : 12,404.91 = 5,009.10 : x
2. Step 2: Convert to fraction form
   8,988.52/12,404.91 = 5,009.10/x
3. Step 3: Cross multiply
   8,988.52x = 12,404.91 × 5,009.10
4. Step 4: Simplify right side
   8,988.52x = 62,137,434.68
5. Step 5: Solve for x
   x = 62,137,434.68/8,988.52
6. Step 6: Final answer
   x = 6,912.98