Finding the Fourth Proportional to 3,910.70, 5,397.72 and 2,417.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.70 : 5,397.72 = 2,417.72 : x
2. Step 2: Convert to fraction form
   3,910.70/5,397.72 = 2,417.72/x
3. Step 3: Cross multiply
   3,910.70x = 5,397.72 × 2,417.72
4. Step 4: Simplify right side
   3,910.70x = 13,050,175.60
5. Step 5: Solve for x
   x = 13,050,175.60/3,910.70
6. Step 6: Final answer
   x = 3,337.04