Finding the Fourth Proportional to 81,910.54, 122,717.49 and 37,574.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,910.54 : 122,717.49 = 37,574.38 : x
2. Step 2: Convert to fraction form
   81,910.54/122,717.49 = 37,574.38/x
3. Step 3: Cross multiply
   81,910.54x = 122,717.49 × 37,574.38
4. Step 4: Simplify right side
   81,910.54x = 4,611,033,601.91
5. Step 5: Solve for x
   x = 4,611,033,601.91/81,910.54
6. Step 6: Final answer
   x = 56,293.53