Finding the Fourth Proportional to 3,059.25, 4,221.86 and 1,662.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,059.25 : 4,221.86 = 1,662.09 : x
2. Step 2: Convert to fraction form
   3,059.25/4,221.86 = 1,662.09/x
3. Step 3: Cross multiply
   3,059.25x = 4,221.86 × 1,662.09
4. Step 4: Simplify right side
   3,059.25x = 7,017,111.29
5. Step 5: Solve for x
   x = 7,017,111.29/3,059.25
6. Step 6: Final answer
   x = 2,293.74