Finding the Fourth Proportional to 4,951.72, 7,419.18 and 3,484.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,951.72 : 7,419.18 = 3,484.12 : x
2. Step 2: Convert to fraction form
   4,951.72/7,419.18 = 3,484.12/x
3. Step 3: Cross multiply
   4,951.72x = 7,419.18 × 3,484.12
4. Step 4: Simplify right side
   4,951.72x = 25,849,313.42
5. Step 5: Solve for x
   x = 25,849,313.42/4,951.72
6. Step 6: Final answer
   x = 5,220.27