Finding the Fourth Proportional to 2,389.34, 3,584.90 and 929.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.34 : 3,584.90 = 929.52 : x
2. Step 2: Convert to fraction form
   2,389.34/3,584.90 = 929.52/x
3. Step 3: Cross multiply
   2,389.34x = 3,584.90 × 929.52
4. Step 4: Simplify right side
   2,389.34x = 3,332,236.25
5. Step 5: Solve for x
   x = 3,332,236.25/2,389.34
6. Step 6: Final answer
   x = 1,394.63