Finding the Fourth Proportional to 31,383.09, 47,074.61 and 8,009.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,383.09 : 47,074.61 = 8,009.53 : x
2. Step 2: Convert to fraction form
   31,383.09/47,074.61 = 8,009.53/x
3. Step 3: Cross multiply
   31,383.09x = 47,074.61 × 8,009.53
4. Step 4: Simplify right side
   31,383.09x = 377,045,225.61
5. Step 5: Solve for x
   x = 377,045,225.61/31,383.09
6. Step 6: Final answer
   x = 12,014.28