Finding the Fourth Proportional to 3,131.62, 4,317.02 and 2,384.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131.62 : 4,317.02 = 2,384.27 : x
2. Step 2: Convert to fraction form
   3,131.62/4,317.02 = 2,384.27/x
3. Step 3: Cross multiply
   3,131.62x = 4,317.02 × 2,384.27
4. Step 4: Simplify right side
   3,131.62x = 10,292,941.28
5. Step 5: Solve for x
   x = 10,292,941.28/3,131.62
6. Step 6: Final answer
   x = 3,286.78