Finding the Fourth Proportional to 31,469.39, 47,236.88 and 13,951.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,469.39 : 47,236.88 = 13,951.52 : x
2. Step 2: Convert to fraction form
   31,469.39/47,236.88 = 13,951.52/x
3. Step 3: Cross multiply
   31,469.39x = 47,236.88 × 13,951.52
4. Step 4: Simplify right side
   31,469.39x = 659,026,074.75
5. Step 5: Solve for x
   x = 659,026,074.75/31,469.39
6. Step 6: Final answer
   x = 20,941.82