Finding the Fourth Proportional to 9,608.31, 13,260.60 and 5,360.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.31 : 13,260.60 = 5,360.04 : x
2. Step 2: Convert to fraction form
   9,608.31/13,260.60 = 5,360.04/x
3. Step 3: Cross multiply
   9,608.31x = 13,260.60 × 5,360.04
4. Step 4: Simplify right side
   9,608.31x = 71,077,346.42
5. Step 5: Solve for x
   x = 71,077,346.42/9,608.31
6. Step 6: Final answer
   x = 7,397.49