Finding the Fourth Proportional to 2,050.88, 3,077.18 and 1,077.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.88 : 3,077.18 = 1,077.60 : x
2. Step 2: Convert to fraction form
   2,050.88/3,077.18 = 1,077.60/x
3. Step 3: Cross multiply
   2,050.88x = 3,077.18 × 1,077.60
4. Step 4: Simplify right side
   2,050.88x = 3,315,969.17
5. Step 5: Solve for x
   x = 3,315,969.17/2,050.88
6. Step 6: Final answer
   x = 1,616.85