Finding the Fourth Proportional to 11,716.45, 16,174.22 and 7,242.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,716.45 : 16,174.22 = 7,242.82 : x
2. Step 2: Convert to fraction form
   11,716.45/16,174.22 = 7,242.82/x
3. Step 3: Cross multiply
   11,716.45x = 16,174.22 × 7,242.82
4. Step 4: Simplify right side
   11,716.45x = 117,146,887.45
5. Step 5: Solve for x
   x = 117,146,887.45/11,716.45
6. Step 6: Final answer
   x = 9,998.50