Finding the Fourth Proportional to 11,667.50, 16,100.57 and 6,631.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,667.50 : 16,100.57 = 6,631.06 : x
2. Step 2: Convert to fraction form
   11,667.50/16,100.57 = 6,631.06/x
3. Step 3: Cross multiply
   11,667.50x = 16,100.57 × 6,631.06
4. Step 4: Simplify right side
   11,667.50x = 106,763,732.05
5. Step 5: Solve for x
   x = 106,763,732.05/11,667.50
6. Step 6: Final answer
   x = 9,150.52