Finding the Fourth Proportional to 1,765.50, 2,629.59 and 1,672.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765.50 : 2,629.59 = 1,672.98 : x
2. Step 2: Convert to fraction form
   1,765.50/2,629.59 = 1,672.98/x
3. Step 3: Cross multiply
   1,765.50x = 2,629.59 × 1,672.98
4. Step 4: Simplify right side
   1,765.50x = 4,399,251.48
5. Step 5: Solve for x
   x = 4,399,251.48/1,765.50
6. Step 6: Final answer
   x = 2,491.79