Finding the Fourth Proportional to 8,949.67, 12,350.70 and 4,971.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,949.67 : 12,350.70 = 4,971.15 : x
2. Step 2: Convert to fraction form
   8,949.67/12,350.70 = 4,971.15/x
3. Step 3: Cross multiply
   8,949.67x = 12,350.70 × 4,971.15
4. Step 4: Simplify right side
   8,949.67x = 61,397,182.31
5. Step 5: Solve for x
   x = 61,397,182.31/8,949.67
6. Step 6: Final answer
   x = 6,860.27