Finding the Fourth Proportional to 2,157.52, 3,233.58 and 923.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.52 : 3,233.58 = 923.48 : x
2. Step 2: Convert to fraction form
   2,157.52/3,233.58 = 923.48/x
3. Step 3: Cross multiply
   2,157.52x = 3,233.58 × 923.48
4. Step 4: Simplify right side
   2,157.52x = 2,986,146.46
5. Step 5: Solve for x
   x = 2,986,146.46/2,157.52
6. Step 6: Final answer
   x = 1,384.06