Finding the Fourth Proportional to 2,344.17, 3,518 and 1,111.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,344.17 : 3,518 = 1,111.59 : x
2. Step 2: Convert to fraction form
   2,344.17/3,518 = 1,111.59/x
3. Step 3: Cross multiply
   2,344.17x = 3,518 × 1,111.59
4. Step 4: Simplify right side
   2,344.17x = 3,910,573.62
5. Step 5: Solve for x
   x = 3,910,573.62/2,344.17
6. Step 6: Final answer
   x = 1,668.21