Finding the Fourth Proportional to 5,534.89, 7,634.72 and 3,380.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,534.89 : 7,634.72 = 3,380.42 : x
2. Step 2: Convert to fraction form
   5,534.89/7,634.72 = 3,380.42/x
3. Step 3: Cross multiply
   5,534.89x = 7,634.72 × 3,380.42
4. Step 4: Simplify right side
   5,534.89x = 25,808,587.72
5. Step 5: Solve for x
   x = 25,808,587.72/5,534.89
6. Step 6: Final answer
   x = 4,662.89