Finding the Fourth Proportional to 2,314.17, 3,471.76 and 670.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.17 : 3,471.76 = 670.85 : x
2. Step 2: Convert to fraction form
   2,314.17/3,471.76 = 670.85/x
3. Step 3: Cross multiply
   2,314.17x = 3,471.76 × 670.85
4. Step 4: Simplify right side
   2,314.17x = 2,329,026.69
5. Step 5: Solve for x
   x = 2,329,026.69/2,314.17
6. Step 6: Final answer
   x = 1,006.42