Finding the Fourth Proportional to 50,636.21, 69,832.56 and 42,166.37

Step by Step Solution

1. Step 1: Write the proportion equation
   50,636.21 : 69,832.56 = 42,166.37 : x
2. Step 2: Convert to fraction form
   50,636.21/69,832.56 = 42,166.37/x
3. Step 3: Cross multiply
   50,636.21x = 69,832.56 × 42,166.37
4. Step 4: Simplify right side
   50,636.21x = 2,944,585,895.71
5. Step 5: Solve for x
   x = 2,944,585,895.71/50,636.21
6. Step 6: Final answer
   x = 58,151.79