Finding the Fourth Proportional to 2,335.32, 3,218.31 and 1,671.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.32 : 3,218.31 = 1,671.03 : x
2. Step 2: Convert to fraction form
   2,335.32/3,218.31 = 1,671.03/x
3. Step 3: Cross multiply
   2,335.32x = 3,218.31 × 1,671.03
4. Step 4: Simplify right side
   2,335.32x = 5,377,892.56
5. Step 5: Solve for x
   x = 5,377,892.56/2,335.32
6. Step 6: Final answer
   x = 2,302.85