Finding the Fourth Proportional to 2,228.08, 3,074.63 and 1,233.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.08 : 3,074.63 = 1,233.20 : x
2. Step 2: Convert to fraction form
   2,228.08/3,074.63 = 1,233.20/x
3. Step 3: Cross multiply
   2,228.08x = 3,074.63 × 1,233.20
4. Step 4: Simplify right side
   2,228.08x = 3,791,633.72
5. Step 5: Solve for x
   x = 3,791,633.72/2,228.08
6. Step 6: Final answer
   x = 1,701.75