Finding the Fourth Proportional to 2,077.68, 2,867.40 and 1,552.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.68 : 2,867.40 = 1,552.80 : x
2. Step 2: Convert to fraction form
   2,077.68/2,867.40 = 1,552.80/x
3. Step 3: Cross multiply
   2,077.68x = 2,867.40 × 1,552.80
4. Step 4: Simplify right side
   2,077.68x = 4,452,498.72
5. Step 5: Solve for x
   x = 4,452,498.72/2,077.68
6. Step 6: Final answer
   x = 2,143.01