Finding the Fourth Proportional to 12,298.06, 16,976.82 and 8,331.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,298.06 : 16,976.82 = 8,331.22 : x
2. Step 2: Convert to fraction form
   12,298.06/16,976.82 = 8,331.22/x
3. Step 3: Cross multiply
   12,298.06x = 16,976.82 × 8,331.22
4. Step 4: Simplify right side
   12,298.06x = 141,437,622.32
5. Step 5: Solve for x
   x = 141,437,622.32/12,298.06
6. Step 6: Final answer
   x = 11,500.81