Finding the Fourth Proportional to 1,879.29, 2,820.33 and 710.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,879.29 : 2,820.33 = 710.43 : x
2. Step 2: Convert to fraction form
   1,879.29/2,820.33 = 710.43/x
3. Step 3: Cross multiply
   1,879.29x = 2,820.33 × 710.43
4. Step 4: Simplify right side
   1,879.29x = 2,003,647.04
5. Step 5: Solve for x
   x = 2,003,647.04/1,879.29
6. Step 6: Final answer
   x = 1,066.17