Finding the Fourth Proportional to 47,947.39, 71,945.38 and 31,947.86

Step by Step Solution

1. Step 1: Write the proportion equation
   47,947.39 : 71,945.38 = 31,947.86 : x
2. Step 2: Convert to fraction form
   47,947.39/71,945.38 = 31,947.86/x
3. Step 3: Cross multiply
   47,947.39x = 71,945.38 × 31,947.86
4. Step 4: Simplify right side
   47,947.39x = 2,298,500,768.15
5. Step 5: Solve for x
   x = 2,298,500,768.15/47,947.39
6. Step 6: Final answer
   x = 47,937.98