Finding the Fourth Proportional to 3,684.42, 5,084.69 and 2,112.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,684.42 : 5,084.69 = 2,112.51 : x
2. Step 2: Convert to fraction form
   3,684.42/5,084.69 = 2,112.51/x
3. Step 3: Cross multiply
   3,684.42x = 5,084.69 × 2,112.51
4. Step 4: Simplify right side
   3,684.42x = 10,741,447.91
5. Step 5: Solve for x
   x = 10,741,447.91/3,684.42
6. Step 6: Final answer
   x = 2,915.37