Finding the Fourth Proportional to 47,947.01, 71,944.81 and 31,947.48

Step by Step Solution

1. Step 1: Write the proportion equation
   47,947.01 : 71,944.81 = 31,947.48 : x
2. Step 2: Convert to fraction form
   47,947.01/71,944.81 = 31,947.48/x
3. Step 3: Cross multiply
   47,947.01x = 71,944.81 × 31,947.48
4. Step 4: Simplify right side
   47,947.01x = 2,298,455,688.31
5. Step 5: Solve for x
   x = 2,298,455,688.31/47,947.01
6. Step 6: Final answer
   x = 47,937.41