Finding the Fourth Proportional to 50,345.73, 69,503.81 and 31,488.93

Step by Step Solution

1. Step 1: Write the proportion equation
   50,345.73 : 69,503.81 = 31,488.93 : x
2. Step 2: Convert to fraction form
   50,345.73/69,503.81 = 31,488.93/x
3. Step 3: Cross multiply
   50,345.73x = 69,503.81 × 31,488.93
4. Step 4: Simplify right side
   50,345.73x = 2,188,600,450.38
5. Step 5: Solve for x
   x = 2,188,600,450.38/50,345.73
6. Step 6: Final answer
   x = 43,471.42