Finding the Fourth Proportional to 8,084.30, 12,106.98 and 5,479.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,084.30 : 12,106.98 = 5,479.34 : x
2. Step 2: Convert to fraction form
   8,084.30/12,106.98 = 5,479.34/x
3. Step 3: Cross multiply
   8,084.30x = 12,106.98 × 5,479.34
4. Step 4: Simplify right side
   8,084.30x = 66,338,259.79
5. Step 5: Solve for x
   x = 66,338,259.79/8,084.30
6. Step 6: Final answer
   x = 8,205.81