Finding the Fourth Proportional to 11,737.72, 17,591.94 and 5,167

Step by Step Solution

1. Step 1: Write the proportion equation
   11,737.72 : 17,591.94 = 5,167 : x
2. Step 2: Convert to fraction form
   11,737.72/17,591.94 = 5,167/x
3. Step 3: Cross multiply
   11,737.72x = 17,591.94 × 5,167
4. Step 4: Simplify right side
   11,737.72x = 90,897,553.98
5. Step 5: Solve for x
   x = 90,897,553.98/11,737.72
6. Step 6: Final answer
   x = 7,744.06