Finding the Fourth Proportional to 2,923.82, 4,386.35 and 976.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,923.82 : 4,386.35 = 976.18 : x
2. Step 2: Convert to fraction form
   2,923.82/4,386.35 = 976.18/x
3. Step 3: Cross multiply
   2,923.82x = 4,386.35 × 976.18
4. Step 4: Simplify right side
   2,923.82x = 4,281,858.62
5. Step 5: Solve for x
   x = 4,281,858.62/2,923.82
6. Step 6: Final answer
   x = 1,464.47