Finding the Fourth Proportional to 4,111.38, 6,165.72 and 1,645.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111.38 : 6,165.72 = 1,645.56 : x
2. Step 2: Convert to fraction form
   4,111.38/6,165.72 = 1,645.56/x
3. Step 3: Cross multiply
   4,111.38x = 6,165.72 × 1,645.56
4. Step 4: Simplify right side
   4,111.38x = 10,146,062.20
5. Step 5: Solve for x
   x = 10,146,062.20/4,111.38
6. Step 6: Final answer
   x = 2,467.80