Finding the Fourth Proportional to 50,344.72, 69,458.43 and 31,217.61

Step by Step Solution

1. Step 1: Write the proportion equation
   50,344.72 : 69,458.43 = 31,217.61 : x
2. Step 2: Convert to fraction form
   50,344.72/69,458.43 = 31,217.61/x
3. Step 3: Cross multiply
   50,344.72x = 69,458.43 × 31,217.61
4. Step 4: Simplify right side
   50,344.72x = 2,168,326,178.95
5. Step 5: Solve for x
   x = 2,168,326,178.95/50,344.72
6. Step 6: Final answer
   x = 43,069.58