Finding the Fourth Proportional to 9,411.26, 14,107.70 and 4,479.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,411.26 : 14,107.70 = 4,479.57 : x
2. Step 2: Convert to fraction form
   9,411.26/14,107.70 = 4,479.57/x
3. Step 3: Cross multiply
   9,411.26x = 14,107.70 × 4,479.57
4. Step 4: Simplify right side
   9,411.26x = 63,196,440.89
5. Step 5: Solve for x
   x = 63,196,440.89/9,411.26
6. Step 6: Final answer
   x = 6,714.99