Finding the Fourth Proportional to 5,434.72, 7,499.18 and 3,195.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,434.72 : 7,499.18 = 3,195.30 : x
2. Step 2: Convert to fraction form
   5,434.72/7,499.18 = 3,195.30/x
3. Step 3: Cross multiply
   5,434.72x = 7,499.18 × 3,195.30
4. Step 4: Simplify right side
   5,434.72x = 23,962,129.85
5. Step 5: Solve for x
   x = 23,962,129.85/5,434.72
6. Step 6: Final answer
   x = 4,409.08