Finding the Fourth Proportional to 1,633.33, 2,253.61 and 1,103.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.33 : 2,253.61 = 1,103.20 : x
2. Step 2: Convert to fraction form
   1,633.33/2,253.61 = 1,103.20/x
3. Step 3: Cross multiply
   1,633.33x = 2,253.61 × 1,103.20
4. Step 4: Simplify right side
   1,633.33x = 2,486,182.55
5. Step 5: Solve for x
   x = 2,486,182.55/1,633.33
6. Step 6: Final answer
   x = 1,522.16