Finding the Fourth Proportional to 2,688.22, 3,708.18 and 1,569.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688.22 : 3,708.18 = 1,569.01 : x
2. Step 2: Convert to fraction form
   2,688.22/3,708.18 = 1,569.01/x
3. Step 3: Cross multiply
   2,688.22x = 3,708.18 × 1,569.01
4. Step 4: Simplify right side
   2,688.22x = 5,818,171.50
5. Step 5: Solve for x
   x = 5,818,171.50/2,688.22
6. Step 6: Final answer
   x = 2,164.32