Finding the Fourth Proportional to 3,741.18, 5,161.59 and 2,415.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,741.18 : 5,161.59 = 2,415.78 : x
2. Step 2: Convert to fraction form
   3,741.18/5,161.59 = 2,415.78/x
3. Step 3: Cross multiply
   3,741.18x = 5,161.59 × 2,415.78
4. Step 4: Simplify right side
   3,741.18x = 12,469,265.89
5. Step 5: Solve for x
   x = 12,469,265.89/3,741.18
6. Step 6: Final answer
   x = 3,332.98