Finding the Fourth Proportional to 2,869.74, 4,306.50 and 1,020.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,869.74 : 4,306.50 = 1,020.83 : x
2. Step 2: Convert to fraction form
   2,869.74/4,306.50 = 1,020.83/x
3. Step 3: Cross multiply
   2,869.74x = 4,306.50 × 1,020.83
4. Step 4: Simplify right side
   2,869.74x = 4,396,182.86
5. Step 5: Solve for x
   x = 4,396,182.86/2,869.74
6. Step 6: Final answer
   x = 1,531.91