Finding the Fourth Proportional to 2,460.70, 3,397.56 and 1,517.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.70 : 3,397.56 = 1,517.78 : x
2. Step 2: Convert to fraction form
   2,460.70/3,397.56 = 1,517.78/x
3. Step 3: Cross multiply
   2,460.70x = 3,397.56 × 1,517.78
4. Step 4: Simplify right side
   2,460.70x = 5,156,751.42
5. Step 5: Solve for x
   x = 5,156,751.42/2,460.70
6. Step 6: Final answer
   x = 2,095.64