Finding the Fourth Proportional to 3,062.30, 4,225.88 and 1,665.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,062.30 : 4,225.88 = 1,665.05 : x
2. Step 2: Convert to fraction form
   3,062.30/4,225.88 = 1,665.05/x
3. Step 3: Cross multiply
   3,062.30x = 4,225.88 × 1,665.05
4. Step 4: Simplify right side
   3,062.30x = 7,036,284.53
5. Step 5: Solve for x
   x = 7,036,284.53/3,062.30
6. Step 6: Final answer
   x = 2,297.72