Finding the Fourth Proportional to 2,388.50, 3,581.83 and 927.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.50 : 3,581.83 = 927.46 : x
2. Step 2: Convert to fraction form
   2,388.50/3,581.83 = 927.46/x
3. Step 3: Cross multiply
   2,388.50x = 3,581.83 × 927.46
4. Step 4: Simplify right side
   2,388.50x = 3,322,004.05
5. Step 5: Solve for x
   x = 3,322,004.05/2,388.50
6. Step 6: Final answer
   x = 1,390.83