Finding the Fourth Proportional to 8,099.60, 12,151.05 and 3,419.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,099.60 : 12,151.05 = 3,419.62 : x
2. Step 2: Convert to fraction form
   8,099.60/12,151.05 = 3,419.62/x
3. Step 3: Cross multiply
   8,099.60x = 12,151.05 × 3,419.62
4. Step 4: Simplify right side
   8,099.60x = 41,551,956.50
5. Step 5: Solve for x
   x = 41,551,956.50/8,099.60
6. Step 6: Final answer
   x = 5,130.12