Finding the Fourth Proportional to 31,494.92, 47,209.98 and 13,973

Step by Step Solution

1. Step 1: Write the proportion equation
   31,494.92 : 47,209.98 = 13,973 : x
2. Step 2: Convert to fraction form
   31,494.92/47,209.98 = 13,973/x
3. Step 3: Cross multiply
   31,494.92x = 47,209.98 × 13,973
4. Step 4: Simplify right side
   31,494.92x = 659,665,050.54
5. Step 5: Solve for x
   x = 659,665,050.54/31,494.92
6. Step 6: Final answer
   x = 20,945.13