Finding the Fourth Proportional to 5,549.82, 7,648.22 and 3,975.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,549.82 : 7,648.22 = 3,975.18 : x
2. Step 2: Convert to fraction form
   5,549.82/7,648.22 = 3,975.18/x
3. Step 3: Cross multiply
   5,549.82x = 7,648.22 × 3,975.18
4. Step 4: Simplify right side
   5,549.82x = 30,403,051.18
5. Step 5: Solve for x
   x = 30,403,051.18/5,549.82
6. Step 6: Final answer
   x = 5,478.20