Finding the Fourth Proportional to 1,351.94, 1,865.22 and 1,102.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351.94 : 1,865.22 = 1,102.83 : x
2. Step 2: Convert to fraction form
   1,351.94/1,865.22 = 1,102.83/x
3. Step 3: Cross multiply
   1,351.94x = 1,865.22 × 1,102.83
4. Step 4: Simplify right side
   1,351.94x = 2,057,020.57
5. Step 5: Solve for x
   x = 2,057,020.57/1,351.94
6. Step 6: Final answer
   x = 1,521.53