Finding the Fourth Proportional to 50,889.50, 70,227.54 and 31,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,889.50 : 70,227.54 = 31,017.50 : x
2. Step 2: Convert to fraction form
   50,889.50/70,227.54 = 31,017.50/x
3. Step 3: Cross multiply
   50,889.50x = 70,227.54 × 31,017.50
4. Step 4: Simplify right side
   50,889.50x = 2,178,282,721.95
5. Step 5: Solve for x
   x = 2,178,282,721.95/50,889.50
6. Step 6: Final answer
   x = 42,804.17