Finding the Fourth Proportional to 49,156.78, 73,688.45 and 31,337.42

Step by Step Solution

1. Step 1: Write the proportion equation
   49,156.78 : 73,688.45 = 31,337.42 : x
2. Step 2: Convert to fraction form
   49,156.78/73,688.45 = 31,337.42/x
3. Step 3: Cross multiply
   49,156.78x = 73,688.45 × 31,337.42
4. Step 4: Simplify right side
   49,156.78x = 2,309,205,906.80
5. Step 5: Solve for x
   x = 2,309,205,906.80/49,156.78
6. Step 6: Final answer
   x = 46,976.35