Finding the Fourth Proportional to 2,040.66, 3,059.55 and 1,657.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.66 : 3,059.55 = 1,657.62 : x
2. Step 2: Convert to fraction form
   2,040.66/3,059.55 = 1,657.62/x
3. Step 3: Cross multiply
   2,040.66x = 3,059.55 × 1,657.62
4. Step 4: Simplify right side
   2,040.66x = 5,071,571.27
5. Step 5: Solve for x
   x = 5,071,571.27/2,040.66
6. Step 6: Final answer
   x = 2,485.26