Finding the Fourth Proportional to 2,134.28, 2,945.94 and 1,348.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134.28 : 2,945.94 = 1,348.86 : x
2. Step 2: Convert to fraction form
   2,134.28/2,945.94 = 1,348.86/x
3. Step 3: Cross multiply
   2,134.28x = 2,945.94 × 1,348.86
4. Step 4: Simplify right side
   2,134.28x = 3,973,660.63
5. Step 5: Solve for x
   x = 3,973,660.63/2,134.28
6. Step 6: Final answer
   x = 1,861.83