Finding the Fourth Proportional to 1,664.43, 2,494.71 and 1,252.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664.43 : 2,494.71 = 1,252.25 : x
2. Step 2: Convert to fraction form
   1,664.43/2,494.71 = 1,252.25/x
3. Step 3: Cross multiply
   1,664.43x = 2,494.71 × 1,252.25
4. Step 4: Simplify right side
   1,664.43x = 3,123,981.86
5. Step 5: Solve for x
   x = 3,123,981.86/1,664.43
6. Step 6: Final answer
   x = 1,876.91