Finding the Fourth Proportional to 2,654.39, 3,983.18 and 924.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.39 : 3,983.18 = 924.23 : x
2. Step 2: Convert to fraction form
   2,654.39/3,983.18 = 924.23/x
3. Step 3: Cross multiply
   2,654.39x = 3,983.18 × 924.23
4. Step 4: Simplify right side
   2,654.39x = 3,681,354.54
5. Step 5: Solve for x
   x = 3,681,354.54/2,654.39
6. Step 6: Final answer
   x = 1,386.90