Finding the Fourth Proportional to 10,667.67, 16,003.86 and 3,272.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.67 : 16,003.86 = 3,272.70 : x
2. Step 2: Convert to fraction form
   10,667.67/16,003.86 = 3,272.70/x
3. Step 3: Cross multiply
   10,667.67x = 16,003.86 × 3,272.70
4. Step 4: Simplify right side
   10,667.67x = 52,375,832.62
5. Step 5: Solve for x
   x = 52,375,832.62/10,667.67
6. Step 6: Final answer
   x = 4,909.77