Finding the Fourth Proportional to 2,034.78, 2,807.98 and 1,103.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.78 : 2,807.98 = 1,103.28 : x
2. Step 2: Convert to fraction form
   2,034.78/2,807.98 = 1,103.28/x
3. Step 3: Cross multiply
   2,034.78x = 2,807.98 × 1,103.28
4. Step 4: Simplify right side
   2,034.78x = 3,097,988.17
5. Step 5: Solve for x
   x = 3,097,988.17/2,034.78
6. Step 6: Final answer
   x = 1,522.52