Finding the Fourth Proportional to 50,145.86, 69,187.28 and 39,502.46

Step by Step Solution

1. Step 1: Write the proportion equation
   50,145.86 : 69,187.28 = 39,502.46 : x
2. Step 2: Convert to fraction form
   50,145.86/69,187.28 = 39,502.46/x
3. Step 3: Cross multiply
   50,145.86x = 69,187.28 × 39,502.46
4. Step 4: Simplify right side
   50,145.86x = 2,733,067,760.71
5. Step 5: Solve for x
   x = 2,733,067,760.71/50,145.86
6. Step 6: Final answer
   x = 54,502.36