Finding the Fourth Proportional to 5,466.78, 7,543.89 and 3,108.87

Step by Step Solution

1. Step 1: Write the proportion equation
   5,466.78 : 7,543.89 = 3,108.87 : x
2. Step 2: Convert to fraction form
   5,466.78/7,543.89 = 3,108.87/x
3. Step 3: Cross multiply
   5,466.78x = 7,543.89 × 3,108.87
4. Step 4: Simplify right side
   5,466.78x = 23,452,973.30
5. Step 5: Solve for x
   x = 23,452,973.30/5,466.78
6. Step 6: Final answer
   x = 4,290.09