Finding the Fourth Proportional to 2,077.05, 3,116.18 and 616.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.05 : 3,116.18 = 616.23 : x
2. Step 2: Convert to fraction form
   2,077.05/3,116.18 = 616.23/x
3. Step 3: Cross multiply
   2,077.05x = 3,116.18 × 616.23
4. Step 4: Simplify right side
   2,077.05x = 1,920,280.52
5. Step 5: Solve for x
   x = 1,920,280.52/2,077.05
6. Step 6: Final answer
   x = 924.52