Finding the Fourth Proportional to 2,327.10, 3,487.61 and 939.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.10 : 3,487.61 = 939.30 : x
2. Step 2: Convert to fraction form
   2,327.10/3,487.61 = 939.30/x
3. Step 3: Cross multiply
   2,327.10x = 3,487.61 × 939.30
4. Step 4: Simplify right side
   2,327.10x = 3,275,914.42
5. Step 5: Solve for x
   x = 3,275,914.42/2,327.10
6. Step 6: Final answer
   x = 1,407.72