Finding the Fourth Proportional to 2,150.94, 2,967.36 and 1,353.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.94 : 2,967.36 = 1,353.78 : x
2. Step 2: Convert to fraction form
   2,150.94/2,967.36 = 1,353.78/x
3. Step 3: Cross multiply
   2,150.94x = 2,967.36 × 1,353.78
4. Step 4: Simplify right side
   2,150.94x = 4,017,152.62
5. Step 5: Solve for x
   x = 4,017,152.62/2,150.94
6. Step 6: Final answer
   x = 1,867.63