Finding the Fourth Proportional to 8,949.60, 12,350.30 and 4,970.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,949.60 : 12,350.30 = 4,970.61 : x
2. Step 2: Convert to fraction form
   8,949.60/12,350.30 = 4,970.61/x
3. Step 3: Cross multiply
   8,949.60x = 12,350.30 × 4,970.61
4. Step 4: Simplify right side
   8,949.60x = 61,388,499.83
5. Step 5: Solve for x
   x = 61,388,499.83/8,949.60
6. Step 6: Final answer
   x = 6,859.36