Finding the Fourth Proportional to 2,314.24, 3,471.72 and 670.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.24 : 3,471.72 = 670.80 : x
2. Step 2: Convert to fraction form
   2,314.24/3,471.72 = 670.80/x
3. Step 3: Cross multiply
   2,314.24x = 3,471.72 × 670.80
4. Step 4: Simplify right side
   2,314.24x = 2,328,829.78
5. Step 5: Solve for x
   x = 2,328,829.78/2,314.24
6. Step 6: Final answer
   x = 1,006.30