Finding the Fourth Proportional to 1,575.94, 2,174.46 and 1,340.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575.94 : 2,174.46 = 1,340.83 : x
2. Step 2: Convert to fraction form
   1,575.94/2,174.46 = 1,340.83/x
3. Step 3: Cross multiply
   1,575.94x = 2,174.46 × 1,340.83
4. Step 4: Simplify right side
   1,575.94x = 2,915,581.20
5. Step 5: Solve for x
   x = 2,915,581.20/1,575.94
6. Step 6: Final answer
   x = 1,850.06