Finding the Fourth Proportional to 2,613.42, 3,920.50 and 969.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.42 : 3,920.50 = 969.83 : x
2. Step 2: Convert to fraction form
   2,613.42/3,920.50 = 969.83/x
3. Step 3: Cross multiply
   2,613.42x = 3,920.50 × 969.83
4. Step 4: Simplify right side
   2,613.42x = 3,802,223.47
5. Step 5: Solve for x
   x = 3,802,223.47/2,613.42
6. Step 6: Final answer
   x = 1,454.88