Finding the Fourth Proportional to 50,156.61, 69,223.23 and 31,042.54

Step by Step Solution

1. Step 1: Write the proportion equation
   50,156.61 : 69,223.23 = 31,042.54 : x
2. Step 2: Convert to fraction form
   50,156.61/69,223.23 = 31,042.54/x
3. Step 3: Cross multiply
   50,156.61x = 69,223.23 × 31,042.54
4. Step 4: Simplify right side
   50,156.61x = 2,148,864,384.88
5. Step 5: Solve for x
   x = 2,148,864,384.88/50,156.61
6. Step 6: Final answer
   x = 42,843.09