Finding the Fourth Proportional to 50,642.38, 69,882.89 and 27,981.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,642.38 : 69,882.89 = 27,981.12 : x
2. Step 2: Convert to fraction form
   50,642.38/69,882.89 = 27,981.12/x
3. Step 3: Cross multiply
   50,642.38x = 69,882.89 × 27,981.12
4. Step 4: Simplify right side
   50,642.38x = 1,955,401,531.04
5. Step 5: Solve for x
   x = 1,955,401,531.04/50,642.38
6. Step 6: Final answer
   x = 38,611.96