Finding the Fourth Proportional to 80,443.55, 110,618.43 and 69,814.73

Step by Step Solution

1. Step 1: Write the proportion equation
   80,443.55 : 110,618.43 = 69,814.73 : x
2. Step 2: Convert to fraction form
   80,443.55/110,618.43 = 69,814.73/x
3. Step 3: Cross multiply
   80,443.55x = 110,618.43 × 69,814.73
4. Step 4: Simplify right side
   80,443.55x = 7,722,795,805.05
5. Step 5: Solve for x
   x = 7,722,795,805.05/80,443.55
6. Step 6: Final answer
   x = 96,002.68