Finding the Fourth Proportional to 1,772.37, 2,659.50 and 676.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772.37 : 2,659.50 = 676.62 : x
2. Step 2: Convert to fraction form
   1,772.37/2,659.50 = 676.62/x
3. Step 3: Cross multiply
   1,772.37x = 2,659.50 × 676.62
4. Step 4: Simplify right side
   1,772.37x = 1,799,470.89
5. Step 5: Solve for x
   x = 1,799,470.89/1,772.37
6. Step 6: Final answer
   x = 1,015.29