Finding the Fourth Proportional to 9,618.04, 13,271.82 and 5,425.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.04 : 13,271.82 = 5,425.48 : x
2. Step 2: Convert to fraction form
   9,618.04/13,271.82 = 5,425.48/x
3. Step 3: Cross multiply
   9,618.04x = 13,271.82 × 5,425.48
4. Step 4: Simplify right side
   9,618.04x = 72,005,993.97
5. Step 5: Solve for x
   x = 72,005,993.97/9,618.04
6. Step 6: Final answer
   x = 7,486.56