Finding the Fourth Proportional to 31,383.78, 47,083.05 and 9,196.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,383.78 : 47,083.05 = 9,196.62 : x
2. Step 2: Convert to fraction form
   31,383.78/47,083.05 = 9,196.62/x
3. Step 3: Cross multiply
   31,383.78x = 47,083.05 × 9,196.62
4. Step 4: Simplify right side
   31,383.78x = 433,004,919.29
5. Step 5: Solve for x
   x = 433,004,919.29/31,383.78
6. Step 6: Final answer
   x = 13,797.09