Finding the Fourth Proportional to 1,733.16, 2,579.33 and 1,671.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,733.16 : 2,579.33 = 1,671.72 : x
2. Step 2: Convert to fraction form
   1,733.16/2,579.33 = 1,671.72/x
3. Step 3: Cross multiply
   1,733.16x = 2,579.33 × 1,671.72
4. Step 4: Simplify right side
   1,733.16x = 4,311,917.55
5. Step 5: Solve for x
   x = 4,311,917.55/1,733.16
6. Step 6: Final answer
   x = 2,487.89