Finding the Fourth Proportional to 2,616.71, 3,610.86 and 1,568.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.71 : 3,610.86 = 1,568.57 : x
2. Step 2: Convert to fraction form
   2,616.71/3,610.86 = 1,568.57/x
3. Step 3: Cross multiply
   2,616.71x = 3,610.86 × 1,568.57
4. Step 4: Simplify right side
   2,616.71x = 5,663,886.67
5. Step 5: Solve for x
   x = 5,663,886.67/2,616.71
6. Step 6: Final answer
   x = 2,164.51