Finding the Fourth Proportional to 2,116.33, 2,920.49 and 1,277.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.33 : 2,920.49 = 1,277.04 : x
2. Step 2: Convert to fraction form
   2,116.33/2,920.49 = 1,277.04/x
3. Step 3: Cross multiply
   2,116.33x = 2,920.49 × 1,277.04
4. Step 4: Simplify right side
   2,116.33x = 3,729,582.55
5. Step 5: Solve for x
   x = 3,729,582.55/2,116.33
6. Step 6: Final answer
   x = 1,762.29