Finding the Fourth Proportional to 1,676.67, 2,308.54 and 1,424.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.67 : 2,308.54 = 1,424.07 : x
2. Step 2: Convert to fraction form
   1,676.67/2,308.54 = 1,424.07/x
3. Step 3: Cross multiply
   1,676.67x = 2,308.54 × 1,424.07
4. Step 4: Simplify right side
   1,676.67x = 3,287,522.56
5. Step 5: Solve for x
   x = 3,287,522.56/1,676.67
6. Step 6: Final answer
   x = 1,960.75