Finding the Fourth Proportional to 2,643.45, 3,969.06 and 1,475.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.45 : 3,969.06 = 1,475.73 : x
2. Step 2: Convert to fraction form
   2,643.45/3,969.06 = 1,475.73/x
3. Step 3: Cross multiply
   2,643.45x = 3,969.06 × 1,475.73
4. Step 4: Simplify right side
   2,643.45x = 5,857,260.91
5. Step 5: Solve for x
   x = 5,857,260.91/2,643.45
6. Step 6: Final answer
   x = 2,215.76