Finding the Fourth Proportional to 5,550.06, 7,648.56 and 3,975.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,550.06 : 7,648.56 = 3,975.42 : x
2. Step 2: Convert to fraction form
   5,550.06/7,648.56 = 3,975.42/x
3. Step 3: Cross multiply
   5,550.06x = 7,648.56 × 3,975.42
4. Step 4: Simplify right side
   5,550.06x = 30,406,238.40
5. Step 5: Solve for x
   x = 30,406,238.40/5,550.06
6. Step 6: Final answer
   x = 5,478.54