Finding the Fourth Proportional to 49,981.91, 74,935.82 and 30,255.80

Step by Step Solution

1. Step 1: Write the proportion equation
   49,981.91 : 74,935.82 = 30,255.80 : x
2. Step 2: Convert to fraction form
   49,981.91/74,935.82 = 30,255.80/x
3. Step 3: Cross multiply
   49,981.91x = 74,935.82 × 30,255.80
4. Step 4: Simplify right side
   49,981.91x = 2,267,242,883.72
5. Step 5: Solve for x
   x = 2,267,242,883.72/49,981.91
6. Step 6: Final answer
   x = 45,361.27