Finding the Fourth Proportional to 2,314.23, 3,471.42 and 670.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.23 : 3,471.42 = 670.86 : x
2. Step 2: Convert to fraction form
   2,314.23/3,471.42 = 670.86/x
3. Step 3: Cross multiply
   2,314.23x = 3,471.42 × 670.86
4. Step 4: Simplify right side
   2,314.23x = 2,328,836.82
5. Step 5: Solve for x
   x = 2,328,836.82/2,314.23
6. Step 6: Final answer
   x = 1,006.31