Finding the Fourth Proportional to 1,873.59, 2,811.83 and 704.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,873.59 : 2,811.83 = 704.65 : x
2. Step 2: Convert to fraction form
   1,873.59/2,811.83 = 704.65/x
3. Step 3: Cross multiply
   1,873.59x = 2,811.83 × 704.65
4. Step 4: Simplify right side
   1,873.59x = 1,981,356.01
5. Step 5: Solve for x
   x = 1,981,356.01/1,873.59
6. Step 6: Final answer
   x = 1,057.52