Finding the Fourth Proportional to 80,817.28, 111,519.86 and 45,010.62

Step by Step Solution

1. Step 1: Write the proportion equation
   80,817.28 : 111,519.86 = 45,010.62 : x
2. Step 2: Convert to fraction form
   80,817.28/111,519.86 = 45,010.62/x
3. Step 3: Cross multiply
   80,817.28x = 111,519.86 × 45,010.62
4. Step 4: Simplify right side
   80,817.28x = 5,019,577,815.86
5. Step 5: Solve for x
   x = 5,019,577,815.86/80,817.28
6. Step 6: Final answer
   x = 62,110.21