Finding the Fourth Proportional to 6,172.96, 8,519.50 and 3,484.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,172.96 : 8,519.50 = 3,484.72 : x
2. Step 2: Convert to fraction form
   6,172.96/8,519.50 = 3,484.72/x
3. Step 3: Cross multiply
   6,172.96x = 8,519.50 × 3,484.72
4. Step 4: Simplify right side
   6,172.96x = 29,688,072.04
5. Step 5: Solve for x
   x = 29,688,072.04/6,172.96
6. Step 6: Final answer
   x = 4,809.37