Finding the Fourth Proportional to 109,476.50, 150,983.22 and 71,222.09

Step by Step Solution

1. Step 1: Write the proportion equation
   109,476.50 : 150,983.22 = 71,222.09 : x
2. Step 2: Convert to fraction form
   109,476.50/150,983.22 = 71,222.09/x
3. Step 3: Cross multiply
   109,476.50x = 150,983.22 × 71,222.09
4. Step 4: Simplify right side
   109,476.50x = 10,753,340,336.49
5. Step 5: Solve for x
   x = 10,753,340,336.49/109,476.50
6. Step 6: Final answer
   x = 98,225.10