Finding the Fourth Proportional to 2,389.97, 3,583.39 and 929.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.97 : 3,583.39 = 929.27 : x
2. Step 2: Convert to fraction form
   2,389.97/3,583.39 = 929.27/x
3. Step 3: Cross multiply
   2,389.97x = 3,583.39 × 929.27
4. Step 4: Simplify right side
   2,389.97x = 3,329,936.83
5. Step 5: Solve for x
   x = 3,329,936.83/2,389.97
6. Step 6: Final answer
   x = 1,393.30