Finding the Fourth Proportional to 2,654.76, 3,979.58 and 922.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.76 : 3,979.58 = 922.28 : x
2. Step 2: Convert to fraction form
   2,654.76/3,979.58 = 922.28/x
3. Step 3: Cross multiply
   2,654.76x = 3,979.58 × 922.28
4. Step 4: Simplify right side
   2,654.76x = 3,670,287.04
5. Step 5: Solve for x
   x = 3,670,287.04/2,654.76
6. Step 6: Final answer
   x = 1,382.53