Finding the Fourth Proportional to 1,664.29, 2,494.77 and 1,372.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664.29 : 2,494.77 = 1,372.69 : x
2. Step 2: Convert to fraction form
   1,664.29/2,494.77 = 1,372.69/x
3. Step 3: Cross multiply
   1,664.29x = 2,494.77 × 1,372.69
4. Step 4: Simplify right side
   1,664.29x = 3,424,545.83
5. Step 5: Solve for x
   x = 3,424,545.83/1,664.29
6. Step 6: Final answer
   x = 2,057.66