Finding the Fourth Proportional to 11,667.86, 16,101.96 and 7,131.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,667.86 : 16,101.96 = 7,131.27 : x
2. Step 2: Convert to fraction form
   11,667.86/16,101.96 = 7,131.27/x
3. Step 3: Cross multiply
   11,667.86x = 16,101.96 × 7,131.27
4. Step 4: Simplify right side
   11,667.86x = 114,827,397.55
5. Step 5: Solve for x
   x = 114,827,397.55/11,667.86
6. Step 6: Final answer
   x = 9,841.35