Finding the Fourth Proportional to 9,417.16, 12,995.76 and 5,225.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.16 : 12,995.76 = 5,225.68 : x
2. Step 2: Convert to fraction form
   9,417.16/12,995.76 = 5,225.68/x
3. Step 3: Cross multiply
   9,417.16x = 12,995.76 × 5,225.68
4. Step 4: Simplify right side
   9,417.16x = 67,911,683.12
5. Step 5: Solve for x
   x = 67,911,683.12/9,417.16
6. Step 6: Final answer
   x = 7,211.48