Finding the Fourth Proportional to 2,105.74, 3,154.83 and 1,373.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.74 : 3,154.83 = 1,373.50 : x
2. Step 2: Convert to fraction form
   2,105.74/3,154.83 = 1,373.50/x
3. Step 3: Cross multiply
   2,105.74x = 3,154.83 × 1,373.50
4. Step 4: Simplify right side
   2,105.74x = 4,333,159.01
5. Step 5: Solve for x
   x = 4,333,159.01/2,105.74
6. Step 6: Final answer
   x = 2,057.78