Finding the Fourth Proportional to 2,034.28, 2,807.40 and 1,150.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.28 : 2,807.40 = 1,150.12 : x
2. Step 2: Convert to fraction form
   2,034.28/2,807.40 = 1,150.12/x
3. Step 3: Cross multiply
   2,034.28x = 2,807.40 × 1,150.12
4. Step 4: Simplify right side
   2,034.28x = 3,228,846.89
5. Step 5: Solve for x
   x = 3,228,846.89/2,034.28
6. Step 6: Final answer
   x = 1,587.22