Finding the Fourth Proportional to 50,071.68, 69,096.96 and 27,715.20

Step by Step Solution

1. Step 1: Write the proportion equation
   50,071.68 : 69,096.96 = 27,715.20 : x
2. Step 2: Convert to fraction form
   50,071.68/69,096.96 = 27,715.20/x
3. Step 3: Cross multiply
   50,071.68x = 69,096.96 × 27,715.20
4. Step 4: Simplify right side
   50,071.68x = 1,915,036,065.79
5. Step 5: Solve for x
   x = 1,915,036,065.79/50,071.68
6. Step 6: Final answer
   x = 38,245.89