Finding the Fourth Proportional to 50,073.72, 69,101.76 and 31,210.92

Step by Step Solution

1. Step 1: Write the proportion equation
   50,073.72 : 69,101.76 = 31,210.92 : x
2. Step 2: Convert to fraction form
   50,073.72/69,101.76 = 31,210.92/x
3. Step 3: Cross multiply
   50,073.72x = 69,101.76 × 31,210.92
4. Step 4: Simplify right side
   50,073.72x = 2,156,729,503.22
5. Step 5: Solve for x
   x = 2,156,729,503.22/50,073.72
6. Step 6: Final answer
   x = 43,071.09