Finding the Fourth Proportional to 2,654.56, 3,982.32 and 922.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.56 : 3,982.32 = 922.72 : x
2. Step 2: Convert to fraction form
   2,654.56/3,982.32 = 922.72/x
3. Step 3: Cross multiply
   2,654.56x = 3,982.32 × 922.72
4. Step 4: Simplify right side
   2,654.56x = 3,674,566.31
5. Step 5: Solve for x
   x = 3,674,566.31/2,654.56
6. Step 6: Final answer
   x = 1,384.25