Finding the Fourth Proportional to 2,656.42, 3,984.32 and 708.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.42 : 3,984.32 = 708.77 : x
2. Step 2: Convert to fraction form
   2,656.42/3,984.32 = 708.77/x
3. Step 3: Cross multiply
   2,656.42x = 3,984.32 × 708.77
4. Step 4: Simplify right side
   2,656.42x = 2,823,978.22
5. Step 5: Solve for x
   x = 2,823,978.22/2,656.42
6. Step 6: Final answer
   x = 1,063.08