Finding the Fourth Proportional to 1,670.69, 2,502.70 and 1,324.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,670.69 : 2,502.70 = 1,324.62 : x
2. Step 2: Convert to fraction form
   1,670.69/2,502.70 = 1,324.62/x
3. Step 3: Cross multiply
   1,670.69x = 2,502.70 × 1,324.62
4. Step 4: Simplify right side
   1,670.69x = 3,315,123.16
5. Step 5: Solve for x
   x = 3,315,123.16/1,670.69
6. Step 6: Final answer
   x = 1,984.28