Finding the Fourth Proportional to 5,452.38, 7,528.50 and 4,191.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,452.38 : 7,528.50 = 4,191.42 : x
2. Step 2: Convert to fraction form
   5,452.38/7,528.50 = 4,191.42/x
3. Step 3: Cross multiply
   5,452.38x = 7,528.50 × 4,191.42
4. Step 4: Simplify right side
   5,452.38x = 31,555,105.47
5. Step 5: Solve for x
   x = 31,555,105.47/5,452.38
6. Step 6: Final answer
   x = 5,787.40