Finding the Fourth Proportional to 9,608.94, 13,260.34 and 5,417.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.94 : 13,260.34 = 5,417.18 : x
2. Step 2: Convert to fraction form
   9,608.94/13,260.34 = 5,417.18/x
3. Step 3: Cross multiply
   9,608.94x = 13,260.34 × 5,417.18
4. Step 4: Simplify right side
   9,608.94x = 71,833,648.64
5. Step 5: Solve for x
   x = 71,833,648.64/9,608.94
6. Step 6: Final answer
   x = 7,475.71