Finding the Fourth Proportional to 2,650.81, 3,976.27 and 703.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.81 : 3,976.27 = 703.03 : x
2. Step 2: Convert to fraction form
   2,650.81/3,976.27 = 703.03/x
3. Step 3: Cross multiply
   2,650.81x = 3,976.27 × 703.03
4. Step 4: Simplify right side
   2,650.81x = 2,795,437.10
5. Step 5: Solve for x
   x = 2,795,437.10/2,650.81
6. Step 6: Final answer
   x = 1,054.56