Finding the Fourth Proportional to 73,478.72, 101,399.64 and 39,944.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,478.72 : 101,399.64 = 39,944.72 : x
2. Step 2: Convert to fraction form
   73,478.72/101,399.64 = 39,944.72/x
3. Step 3: Cross multiply
   73,478.72x = 101,399.64 × 39,944.72
4. Step 4: Simplify right side
   73,478.72x = 4,050,380,227.90
5. Step 5: Solve for x
   x = 4,050,380,227.90/73,478.72
6. Step 6: Final answer
   x = 55,123.17