Finding the Fourth Proportional to 4,757.91, 7,132.23 and 2,291.34

Step by Step Solution

1. Step 1: Write the proportion equation
   4,757.91 : 7,132.23 = 2,291.34 : x
2. Step 2: Convert to fraction form
   4,757.91/7,132.23 = 2,291.34/x
3. Step 3: Cross multiply
   4,757.91x = 7,132.23 × 2,291.34
4. Step 4: Simplify right side
   4,757.91x = 16,342,363.89
5. Step 5: Solve for x
   x = 16,342,363.89/4,757.91
6. Step 6: Final answer
   x = 3,434.78