Finding the Fourth Proportional to 2,077.54, 2,866.67 and 1,238.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.54 : 2,866.67 = 1,238.22 : x
2. Step 2: Convert to fraction form
   2,077.54/2,866.67 = 1,238.22/x
3. Step 3: Cross multiply
   2,077.54x = 2,866.67 × 1,238.22
4. Step 4: Simplify right side
   2,077.54x = 3,549,561.94
5. Step 5: Solve for x
   x = 3,549,561.94/2,077.54
6. Step 6: Final answer
   x = 1,708.54