Finding the Fourth Proportional to 8,124.30, 12,162.69 and 7,346.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,124.30 : 12,162.69 = 7,346.09 : x
2. Step 2: Convert to fraction form
   8,124.30/12,162.69 = 7,346.09/x
3. Step 3: Cross multiply
   8,124.30x = 12,162.69 × 7,346.09
4. Step 4: Simplify right side
   8,124.30x = 89,348,245.79
5. Step 5: Solve for x
   x = 89,348,245.79/8,124.30
6. Step 6: Final answer
   x = 10,997.65