Finding the Fourth Proportional to 2,384.37, 3,292.29 and 1,640.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.37 : 3,292.29 = 1,640.79 : x
2. Step 2: Convert to fraction form
   2,384.37/3,292.29 = 1,640.79/x
3. Step 3: Cross multiply
   2,384.37x = 3,292.29 × 1,640.79
4. Step 4: Simplify right side
   2,384.37x = 5,401,956.51
5. Step 5: Solve for x
   x = 5,401,956.51/2,384.37
6. Step 6: Final answer
   x = 2,265.57