Finding the Fourth Proportional to 11,667.40, 16,108.15 and 7,197.26

Step by Step Solution

1. Step 1: Write the proportion equation
   11,667.40 : 16,108.15 = 7,197.26 : x
2. Step 2: Convert to fraction form
   11,667.40/16,108.15 = 7,197.26/x
3. Step 3: Cross multiply
   11,667.40x = 16,108.15 × 7,197.26
4. Step 4: Simplify right side
   11,667.40x = 115,934,543.67
5. Step 5: Solve for x
   x = 115,934,543.67/11,667.40
6. Step 6: Final answer
   x = 9,936.62