Finding the Fourth Proportional to 8,988.48, 12,404.25 and 5,009.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,988.48 : 12,404.25 = 5,009.67 : x
2. Step 2: Convert to fraction form
   8,988.48/12,404.25 = 5,009.67/x
3. Step 3: Cross multiply
   8,988.48x = 12,404.25 × 5,009.67
4. Step 4: Simplify right side
   8,988.48x = 62,141,199.10
5. Step 5: Solve for x
   x = 62,141,199.10/8,988.48
6. Step 6: Final answer
   x = 6,913.43