Finding the Fourth Proportional to 50,196.68, 75,301.56 and 15,139.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,196.68 : 75,301.56 = 15,139.88 : x
2. Step 2: Convert to fraction form
   50,196.68/75,301.56 = 15,139.88/x
3. Step 3: Cross multiply
   50,196.68x = 75,301.56 × 15,139.88
4. Step 4: Simplify right side
   50,196.68x = 1,140,056,582.21
5. Step 5: Solve for x
   x = 1,140,056,582.21/50,196.68
6. Step 6: Final answer
   x = 22,711.79