Finding the Fourth Proportional to 50,287.72, 69,397.08 and 27,931.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,287.72 : 69,397.08 = 27,931.72 : x
2. Step 2: Convert to fraction form
   50,287.72/69,397.08 = 27,931.72/x
3. Step 3: Cross multiply
   50,287.72x = 69,397.08 × 27,931.72
4. Step 4: Simplify right side
   50,287.72x = 1,938,379,807.38
5. Step 5: Solve for x
   x = 1,938,379,807.38/50,287.72
6. Step 6: Final answer
   x = 38,545.79