Finding the Fourth Proportional to 2,164.28, 3,245.72 and 703.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.28 : 3,245.72 = 703.08 : x
2. Step 2: Convert to fraction form
   2,164.28/3,245.72 = 703.08/x
3. Step 3: Cross multiply
   2,164.28x = 3,245.72 × 703.08
4. Step 4: Simplify right side
   2,164.28x = 2,281,997.30
5. Step 5: Solve for x
   x = 2,281,997.30/2,164.28
6. Step 6: Final answer
   x = 1,054.39