Finding the Fourth Proportional to 3,059.30, 4,221.78 and 1,662.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,059.30 : 4,221.78 = 1,662.04 : x
2. Step 2: Convert to fraction form
   3,059.30/4,221.78 = 1,662.04/x
3. Step 3: Cross multiply
   3,059.30x = 4,221.78 × 1,662.04
4. Step 4: Simplify right side
   3,059.30x = 7,016,767.23
5. Step 5: Solve for x
   x = 7,016,767.23/3,059.30
6. Step 6: Final answer
   x = 2,293.59