Finding the Fourth Proportional to 80,887.41, 111,624.78 and 45,076.70

Step by Step Solution

1. Step 1: Write the proportion equation
   80,887.41 : 111,624.78 = 45,076.70 : x
2. Step 2: Convert to fraction form
   80,887.41/111,624.78 = 45,076.70/x
3. Step 3: Cross multiply
   80,887.41x = 111,624.78 × 45,076.70
4. Step 4: Simplify right side
   80,887.41x = 5,031,677,168.73
5. Step 5: Solve for x
   x = 5,031,677,168.73/80,887.41
6. Step 6: Final answer
   x = 62,205.94