Finding the Fourth Proportional to 2,688.41, 3,710.00 and 1,569.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688.41 : 3,710.00 = 1,569.40 : x
2. Step 2: Convert to fraction form
   2,688.41/3,710.00 = 1,569.40/x
3. Step 3: Cross multiply
   2,688.41x = 3,710.00 × 1,569.40
4. Step 4: Simplify right side
   2,688.41x = 5,822,447.60
5. Step 5: Solve for x
   x = 5,822,447.60/2,688.41
6. Step 6: Final answer
   x = 2,165.76