Finding the Fourth Proportional to 9,718.30, 13,417.59 and 7,476.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,718.30 : 13,417.59 = 7,476.04 : x
2. Step 2: Convert to fraction form
   9,718.30/13,417.59 = 7,476.04/x
3. Step 3: Cross multiply
   9,718.30x = 13,417.59 × 7,476.04
4. Step 4: Simplify right side
   9,718.30x = 100,310,439.54
5. Step 5: Solve for x
   x = 100,310,439.54/9,718.30
6. Step 6: Final answer
   x = 10,321.81