Finding the Fourth Proportional to 2,034.72, 2,807.84 and 1,103.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.72 : 2,807.84 = 1,103.20 : x
2. Step 2: Convert to fraction form
   2,034.72/2,807.84 = 1,103.20/x
3. Step 3: Cross multiply
   2,034.72x = 2,807.84 × 1,103.20
4. Step 4: Simplify right side
   2,034.72x = 3,097,609.09
5. Step 5: Solve for x
   x = 3,097,609.09/2,034.72
6. Step 6: Final answer
   x = 1,522.38