Finding the Fourth Proportional to 50,301.20, 69,439.56 and 31,444.40

Step by Step Solution

1. Step 1: Write the proportion equation
   50,301.20 : 69,439.56 = 31,444.40 : x
2. Step 2: Convert to fraction form
   50,301.20/69,439.56 = 31,444.40/x
3. Step 3: Cross multiply
   50,301.20x = 69,439.56 × 31,444.40
4. Step 4: Simplify right side
   50,301.20x = 2,183,485,300.46
5. Step 5: Solve for x
   x = 2,183,485,300.46/50,301.20
6. Step 6: Final answer
   x = 43,408.21