Finding the Fourth Proportional to 2,873.34, 3,960.71 and 2,402.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873.34 : 3,960.71 = 2,402.79 : x
2. Step 2: Convert to fraction form
   2,873.34/3,960.71 = 2,402.79/x
3. Step 3: Cross multiply
   2,873.34x = 3,960.71 × 2,402.79
4. Step 4: Simplify right side
   2,873.34x = 9,516,760.39
5. Step 5: Solve for x
   x = 9,516,760.39/2,873.34
6. Step 6: Final answer
   x = 3,312.09