Finding the Fourth Proportional to 50,121.18, 69,009.39 and 42,552.54

Step by Step Solution

1. Step 1: Write the proportion equation
   50,121.18 : 69,009.39 = 42,552.54 : x
2. Step 2: Convert to fraction form
   50,121.18/69,009.39 = 42,552.54/x
3. Step 3: Cross multiply
   50,121.18x = 69,009.39 × 42,552.54
4. Step 4: Simplify right side
   50,121.18x = 2,936,524,828.35
5. Step 5: Solve for x
   x = 2,936,524,828.35/50,121.18
6. Step 6: Final answer
   x = 58,588.50