Finding the Fourth Proportional to 9,717.12, 14,572.83 and 4,449.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,717.12 : 14,572.83 = 4,449.15 : x
2. Step 2: Convert to fraction form
   9,717.12/14,572.83 = 4,449.15/x
3. Step 3: Cross multiply
   9,717.12x = 14,572.83 × 4,449.15
4. Step 4: Simplify right side
   9,717.12x = 64,836,706.59
5. Step 5: Solve for x
   x = 64,836,706.59/9,717.12
6. Step 6: Final answer
   x = 6,672.42