Finding the Fourth Proportional to 9,411.71, 14,106.17 and 5,247.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,411.71 : 14,106.17 = 5,247.30 : x
2. Step 2: Convert to fraction form
   9,411.71/14,106.17 = 5,247.30/x
3. Step 3: Cross multiply
   9,411.71x = 14,106.17 × 5,247.30
4. Step 4: Simplify right side
   9,411.71x = 74,019,235.31
5. Step 5: Solve for x
   x = 74,019,235.31/9,411.71
6. Step 6: Final answer
   x = 7,864.59