Finding the Fourth Proportional to 5,520.42, 8,240.40 and 5,114.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,520.42 : 8,240.40 = 5,114.34 : x
2. Step 2: Convert to fraction form
   5,520.42/8,240.40 = 5,114.34/x
3. Step 3: Cross multiply
   5,520.42x = 8,240.40 × 5,114.34
4. Step 4: Simplify right side
   5,520.42x = 42,144,207.34
5. Step 5: Solve for x
   x = 42,144,207.34/5,520.42
6. Step 6: Final answer
   x = 7,634.24