Finding the Fourth Proportional to 2,654.84, 3,979.83 and 922.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.84 : 3,979.83 = 922.25 : x
2. Step 2: Convert to fraction form
   2,654.84/3,979.83 = 922.25/x
3. Step 3: Cross multiply
   2,654.84x = 3,979.83 × 922.25
4. Step 4: Simplify right side
   2,654.84x = 3,670,398.22
5. Step 5: Solve for x
   x = 3,670,398.22/2,654.84
6. Step 6: Final answer
   x = 1,382.53