Finding the Fourth Proportional to 8,982.96, 12,397.16 and 5,207.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,982.96 : 12,397.16 = 5,207.12 : x
2. Step 2: Convert to fraction form
   8,982.96/12,397.16 = 5,207.12/x
3. Step 3: Cross multiply
   8,982.96x = 12,397.16 × 5,207.12
4. Step 4: Simplify right side
   8,982.96x = 64,553,499.78
5. Step 5: Solve for x
   x = 64,553,499.78/8,982.96
6. Step 6: Final answer
   x = 7,186.22