Finding the Fourth Proportional to 1,872.75, 2,794.89 and 1,665.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872.75 : 2,794.89 = 1,665.16 : x
2. Step 2: Convert to fraction form
   1,872.75/2,794.89 = 1,665.16/x
3. Step 3: Cross multiply
   1,872.75x = 2,794.89 × 1,665.16
4. Step 4: Simplify right side
   1,872.75x = 4,653,937.69
5. Step 5: Solve for x
   x = 4,653,937.69/1,872.75
6. Step 6: Final answer
   x = 2,485.08