Finding the Fourth Proportional to 9,608.52, 13,259.70 and 5,418.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.52 : 13,259.70 = 5,418.12 : x
2. Step 2: Convert to fraction form
   9,608.52/13,259.70 = 5,418.12/x
3. Step 3: Cross multiply
   9,608.52x = 13,259.70 × 5,418.12
4. Step 4: Simplify right side
   9,608.52x = 71,842,645.76
5. Step 5: Solve for x
   x = 71,842,645.76/9,608.52
6. Step 6: Final answer
   x = 7,476.97