Finding the Fourth Proportional to 3,732.55, 5,149.61 and 2,315.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,732.55 : 5,149.61 = 2,315.72 : x
2. Step 2: Convert to fraction form
   3,732.55/5,149.61 = 2,315.72/x
3. Step 3: Cross multiply
   3,732.55x = 5,149.61 × 2,315.72
4. Step 4: Simplify right side
   3,732.55x = 11,925,064.85
5. Step 5: Solve for x
   x = 11,925,064.85/3,732.55
6. Step 6: Final answer
   x = 3,194.89