Finding the Fourth Proportional to 50,062.28, 69,110.88 and 28,837.40

Step by Step Solution

1. Step 1: Write the proportion equation
   50,062.28 : 69,110.88 = 28,837.40 : x
2. Step 2: Convert to fraction form
   50,062.28/69,110.88 = 28,837.40/x
3. Step 3: Cross multiply
   50,062.28x = 69,110.88 × 28,837.40
4. Step 4: Simplify right side
   50,062.28x = 1,992,978,090.91
5. Step 5: Solve for x
   x = 1,992,978,090.91/50,062.28
6. Step 6: Final answer
   x = 39,809.97