Finding the Fourth Proportional to 50,087.50, 69,122.91 and 27,731.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,087.50 : 69,122.91 = 27,731.50 : x
2. Step 2: Convert to fraction form
   50,087.50/69,122.91 = 27,731.50/x
3. Step 3: Cross multiply
   50,087.50x = 69,122.91 × 27,731.50
4. Step 4: Simplify right side
   50,087.50x = 1,916,881,978.67
5. Step 5: Solve for x
   x = 1,916,881,978.67/50,087.50
6. Step 6: Final answer
   x = 38,270.67