Finding the Fourth Proportional to 1,874.71, 2,587.49 and 1,245.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,874.71 : 2,587.49 = 1,245.27 : x
2. Step 2: Convert to fraction form
   1,874.71/2,587.49 = 1,245.27/x
3. Step 3: Cross multiply
   1,874.71x = 2,587.49 × 1,245.27
4. Step 4: Simplify right side
   1,874.71x = 3,222,123.67
5. Step 5: Solve for x
   x = 3,222,123.67/1,874.71
6. Step 6: Final answer
   x = 1,718.73