Finding the Fourth Proportional to 3,630.29, 5,009.18 and 2,138.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,630.29 : 5,009.18 = 2,138.27 : x
2. Step 2: Convert to fraction form
   3,630.29/5,009.18 = 2,138.27/x
3. Step 3: Cross multiply
   3,630.29x = 5,009.18 × 2,138.27
4. Step 4: Simplify right side
   3,630.29x = 10,710,943.58
5. Step 5: Solve for x
   x = 10,710,943.58/3,630.29
6. Step 6: Final answer
   x = 2,950.44