Finding the Fourth Proportional to 80,981.41, 111,754.29 and 45,171.42

Step by Step Solution

1. Step 1: Write the proportion equation
   80,981.41 : 111,754.29 = 45,171.42 : x
2. Step 2: Convert to fraction form
   80,981.41/111,754.29 = 45,171.42/x
3. Step 3: Cross multiply
   80,981.41x = 111,754.29 × 45,171.42
4. Step 4: Simplify right side
   80,981.41x = 5,048,099,970.39
5. Step 5: Solve for x
   x = 5,048,099,970.39/80,981.41
6. Step 6: Final answer
   x = 62,336.53