Finding the Fourth Proportional to 10,796.85, 16,199.75 and 5,171.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,796.85 : 16,199.75 = 5,171.67 : x
2. Step 2: Convert to fraction form
   10,796.85/16,199.75 = 5,171.67/x
3. Step 3: Cross multiply
   10,796.85x = 16,199.75 × 5,171.67
4. Step 4: Simplify right side
   10,796.85x = 83,779,735.22
5. Step 5: Solve for x
   x = 83,779,735.22/10,796.85
6. Step 6: Final answer
   x = 7,759.65