Finding the Fourth Proportional to 11,438.96, 17,156.81 and 4,422.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,438.96 : 17,156.81 = 4,422.27 : x
2. Step 2: Convert to fraction form
   11,438.96/17,156.81 = 4,422.27/x
3. Step 3: Cross multiply
   11,438.96x = 17,156.81 × 4,422.27
4. Step 4: Simplify right side
   11,438.96x = 75,872,066.94
5. Step 5: Solve for x
   x = 75,872,066.94/11,438.96
6. Step 6: Final answer
   x = 6,632.78