Finding the Fourth Proportional to 2,707.78, 4,062.84 and 1,322.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707.78 : 4,062.84 = 1,322.32 : x
2. Step 2: Convert to fraction form
   2,707.78/4,062.84 = 1,322.32/x
3. Step 3: Cross multiply
   2,707.78x = 4,062.84 × 1,322.32
4. Step 4: Simplify right side
   2,707.78x = 5,372,374.59
5. Step 5: Solve for x
   x = 5,372,374.59/2,707.78
6. Step 6: Final answer
   x = 1,984.05