Finding the Fourth Proportional to 2,069.65, 3,105.79 and 1,875.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.65 : 3,105.79 = 1,875.04 : x
2. Step 2: Convert to fraction form
   2,069.65/3,105.79 = 1,875.04/x
3. Step 3: Cross multiply
   2,069.65x = 3,105.79 × 1,875.04
4. Step 4: Simplify right side
   2,069.65x = 5,823,480.48
5. Step 5: Solve for x
   x = 5,823,480.48/2,069.65
6. Step 6: Final answer
   x = 2,813.75