Finding the Fourth Proportional to 2,459.72, 3,689.71 and 2,335.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.72 : 3,689.71 = 2,335.16 : x
2. Step 2: Convert to fraction form
   2,459.72/3,689.71 = 2,335.16/x
3. Step 3: Cross multiply
   2,459.72x = 3,689.71 × 2,335.16
4. Step 4: Simplify right side
   2,459.72x = 8,616,063.20
5. Step 5: Solve for x
   x = 8,616,063.20/2,459.72
6. Step 6: Final answer
   x = 3,502.86