Finding the Fourth Proportional to 5,146.72, 7,711.12 and 3,200.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,146.72 : 7,711.12 = 3,200.32 : x
2. Step 2: Convert to fraction form
   5,146.72/7,711.12 = 3,200.32/x
3. Step 3: Cross multiply
   5,146.72x = 7,711.12 × 3,200.32
4. Step 4: Simplify right side
   5,146.72x = 24,678,051.56
5. Step 5: Solve for x
   x = 24,678,051.56/5,146.72
6. Step 6: Final answer
   x = 4,794.91