Finding the Fourth Proportional to 50,158.16, 69,218.52 and 28,938.32

Step by Step Solution

1. Step 1: Write the proportion equation
   50,158.16 : 69,218.52 = 28,938.32 : x
2. Step 2: Convert to fraction form
   50,158.16/69,218.52 = 28,938.32/x
3. Step 3: Cross multiply
   50,158.16x = 69,218.52 × 28,938.32
4. Step 4: Simplify right side
   50,158.16x = 2,003,067,681.69
5. Step 5: Solve for x
   x = 2,003,067,681.69/50,158.16
6. Step 6: Final answer
   x = 39,935.03