Finding the Fourth Proportional to 50,417.48, 69,557.46 and 50,339.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,417.48 : 69,557.46 = 50,339.72 : x
2. Step 2: Convert to fraction form
   50,417.48/69,557.46 = 50,339.72/x
3. Step 3: Cross multiply
   50,417.48x = 69,557.46 × 50,339.72
4. Step 4: Simplify right side
   50,417.48x = 3,501,503,060.31
5. Step 5: Solve for x
   x = 3,501,503,060.31/50,417.48
6. Step 6: Final answer
   x = 69,450.18