Finding the Fourth Proportional to 2,165.82, 2,985.03 and 1,725.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165.82 : 2,985.03 = 1,725.18 : x
2. Step 2: Convert to fraction form
   2,165.82/2,985.03 = 1,725.18/x
3. Step 3: Cross multiply
   2,165.82x = 2,985.03 × 1,725.18
4. Step 4: Simplify right side
   2,165.82x = 5,149,714.06
5. Step 5: Solve for x
   x = 5,149,714.06/2,165.82
6. Step 6: Final answer
   x = 2,377.72