Finding the Fourth Proportional to 1,583.89, 2,377.10 and 718.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,583.89 : 2,377.10 = 718.27 : x
2. Step 2: Convert to fraction form
   1,583.89/2,377.10 = 718.27/x
3. Step 3: Cross multiply
   1,583.89x = 2,377.10 × 718.27
4. Step 4: Simplify right side
   1,583.89x = 1,707,399.62
5. Step 5: Solve for x
   x = 1,707,399.62/1,583.89
6. Step 6: Final answer
   x = 1,077.98