Finding the Fourth Proportional to 2,034.20, 2,807.22 and 1,102.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.20 : 2,807.22 = 1,102.72 : x
2. Step 2: Convert to fraction form
   2,034.20/2,807.22 = 1,102.72/x
3. Step 3: Cross multiply
   2,034.20x = 2,807.22 × 1,102.72
4. Step 4: Simplify right side
   2,034.20x = 3,095,577.64
5. Step 5: Solve for x
   x = 3,095,577.64/2,034.20
6. Step 6: Final answer
   x = 1,521.77