Finding the Fourth Proportional to 3,634.34, 5,015.31 and 2,122.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634.34 : 5,015.31 = 2,122.16 : x
2. Step 2: Convert to fraction form
   3,634.34/5,015.31 = 2,122.16/x
3. Step 3: Cross multiply
   3,634.34x = 5,015.31 × 2,122.16
4. Step 4: Simplify right side
   3,634.34x = 10,643,290.27
5. Step 5: Solve for x
   x = 10,643,290.27/3,634.34
6. Step 6: Final answer
   x = 2,928.53