Finding the Fourth Proportional to 31,383.18, 47,073.42 and 8,009.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,383.18 : 47,073.42 = 8,009.10 : x
2. Step 2: Convert to fraction form
   31,383.18/47,073.42 = 8,009.10/x
3. Step 3: Cross multiply
   31,383.18x = 47,073.42 × 8,009.10
4. Step 4: Simplify right side
   31,383.18x = 377,015,728.12
5. Step 5: Solve for x
   x = 377,015,728.12/31,383.18
6. Step 6: Final answer
   x = 12,013.31