Finding the Fourth Proportional to 1,654.89, 2,480.13 and 874.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.89 : 2,480.13 = 874.73 : x
2. Step 2: Convert to fraction form
   1,654.89/2,480.13 = 874.73/x
3. Step 3: Cross multiply
   1,654.89x = 2,480.13 × 874.73
4. Step 4: Simplify right side
   1,654.89x = 2,169,431.71
5. Step 5: Solve for x
   x = 2,169,431.71/1,654.89
6. Step 6: Final answer
   x = 1,310.92