Finding the Fourth Proportional to 2,384.75, 3,283.61 and 2,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.75 : 3,283.61 = 2,118.72 : x
2. Step 2: Convert to fraction form
   2,384.75/3,283.61 = 2,118.72/x
3. Step 3: Cross multiply
   2,384.75x = 3,283.61 × 2,118.72
4. Step 4: Simplify right side
   2,384.75x = 6,957,039.59
5. Step 5: Solve for x
   x = 6,957,039.59/2,384.75
6. Step 6: Final answer
   x = 2,917.31