Finding the Fourth Proportional to 50,851.69, 70,175.33 and 28,190.62

Step by Step Solution

1. Step 1: Write the proportion equation
   50,851.69 : 70,175.33 = 28,190.62 : x
2. Step 2: Convert to fraction form
   50,851.69/70,175.33 = 28,190.62/x
3. Step 3: Cross multiply
   50,851.69x = 70,175.33 × 28,190.62
4. Step 4: Simplify right side
   50,851.69x = 1,978,286,008.17
5. Step 5: Solve for x
   x = 1,978,286,008.17/50,851.69
6. Step 6: Final answer
   x = 38,903.06