Finding the Fourth Proportional to 2,908.04, 4,362.42 and 959.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,908.04 : 4,362.42 = 959.72 : x
2. Step 2: Convert to fraction form
   2,908.04/4,362.42 = 959.72/x
3. Step 3: Cross multiply
   2,908.04x = 4,362.42 × 959.72
4. Step 4: Simplify right side
   2,908.04x = 4,186,701.72
5. Step 5: Solve for x
   x = 4,186,701.72/2,908.04
6. Step 6: Final answer
   x = 1,439.70