Finding the Fourth Proportional to 10,667.72, 16,000.98 and 3,272.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.72 : 16,000.98 = 3,272.16 : x
2. Step 2: Convert to fraction form
   10,667.72/16,000.98 = 3,272.16/x
3. Step 3: Cross multiply
   10,667.72x = 16,000.98 × 3,272.16
4. Step 4: Simplify right side
   10,667.72x = 52,357,750.36
5. Step 5: Solve for x
   x = 52,357,750.36/10,667.72
6. Step 6: Final answer
   x = 4,908.05