Finding the Fourth Proportional to 2,384.16, 3,282.93 and 2,161.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.16 : 3,282.93 = 2,161.71 : x
2. Step 2: Convert to fraction form
   2,384.16/3,282.93 = 2,161.71/x
3. Step 3: Cross multiply
   2,384.16x = 3,282.93 × 2,161.71
4. Step 4: Simplify right side
   2,384.16x = 7,096,742.61
5. Step 5: Solve for x
   x = 7,096,742.61/2,384.16
6. Step 6: Final answer
   x = 2,976.62