Finding the Fourth Proportional to 50,287.50, 69,396.84 and 27,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,287.50 : 69,396.84 = 27,931.50 : x
2. Step 2: Convert to fraction form
   50,287.50/69,396.84 = 27,931.50/x
3. Step 3: Cross multiply
   50,287.50x = 69,396.84 × 27,931.50
4. Step 4: Simplify right side
   50,287.50x = 1,938,357,836.46
5. Step 5: Solve for x
   x = 1,938,357,836.46/50,287.50
6. Step 6: Final answer
   x = 38,545.52