Finding the Fourth Proportional to 50,862.96, 76,196.04 and 28,608.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,862.96 : 76,196.04 = 28,608.72 : x
2. Step 2: Convert to fraction form
   50,862.96/76,196.04 = 28,608.72/x
3. Step 3: Cross multiply
   50,862.96x = 76,196.04 × 28,608.72
4. Step 4: Simplify right side
   50,862.96x = 2,179,871,173.47
5. Step 5: Solve for x
   x = 2,179,871,173.47/50,862.96
6. Step 6: Final answer
   x = 42,857.73