Finding the Fourth Proportional to 11,437.72, 17,161.51 and 4,422.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,437.72 : 17,161.51 = 4,422.67 : x
2. Step 2: Convert to fraction form
   11,437.72/17,161.51 = 4,422.67/x
3. Step 3: Cross multiply
   11,437.72x = 17,161.51 × 4,422.67
4. Step 4: Simplify right side
   11,437.72x = 75,899,684.38
5. Step 5: Solve for x
   x = 75,899,684.38/11,437.72
6. Step 6: Final answer
   x = 6,635.91