Finding the Fourth Proportional to 80,910.50, 111,657.99 and 45,096.70

Step by Step Solution

1. Step 1: Write the proportion equation
   80,910.50 : 111,657.99 = 45,096.70 : x
2. Step 2: Convert to fraction form
   80,910.50/111,657.99 = 45,096.70/x
3. Step 3: Cross multiply
   80,910.50x = 111,657.99 × 45,096.70
4. Step 4: Simplify right side
   80,910.50x = 5,035,406,976.96
5. Step 5: Solve for x
   x = 5,035,406,976.96/80,910.50
6. Step 6: Final answer
   x = 62,234.29