Finding the Fourth Proportional to 2,150.27, 2,966.31 and 1,354.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.27 : 2,966.31 = 1,354.55 : x
2. Step 2: Convert to fraction form
   2,150.27/2,966.31 = 1,354.55/x
3. Step 3: Cross multiply
   2,150.27x = 2,966.31 × 1,354.55
4. Step 4: Simplify right side
   2,150.27x = 4,018,015.21
5. Step 5: Solve for x
   x = 4,018,015.21/2,150.27
6. Step 6: Final answer
   x = 1,868.61