Finding the Fourth Proportional to 8,079.30, 12,099.48 and 5,474.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,079.30 : 12,099.48 = 5,474.34 : x
2. Step 2: Convert to fraction form
   8,079.30/12,099.48 = 5,474.34/x
3. Step 3: Cross multiply
   8,079.30x = 12,099.48 × 5,474.34
4. Step 4: Simplify right side
   8,079.30x = 66,236,667.34
5. Step 5: Solve for x
   x = 66,236,667.34/8,079.30
6. Step 6: Final answer
   x = 8,198.32