Finding the Fourth Proportional to 2,327.20, 3,490.72 and 940.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.20 : 3,490.72 = 940.48 : x
2. Step 2: Convert to fraction form
   2,327.20/3,490.72 = 940.48/x
3. Step 3: Cross multiply
   2,327.20x = 3,490.72 × 940.48
4. Step 4: Simplify right side
   2,327.20x = 3,282,952.35
5. Step 5: Solve for x
   x = 3,282,952.35/2,327.20
6. Step 6: Final answer
   x = 1,410.69