Finding the Fourth Proportional to 11,433.46, 17,138.42 and 5,197.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,433.46 : 17,138.42 = 5,197.82 : x
2. Step 2: Convert to fraction form
   11,433.46/17,138.42 = 5,197.82/x
3. Step 3: Cross multiply
   11,433.46x = 17,138.42 × 5,197.82
4. Step 4: Simplify right side
   11,433.46x = 89,082,422.24
5. Step 5: Solve for x
   x = 89,082,422.24/11,433.46
6. Step 6: Final answer
   x = 7,791.38