Finding the Fourth Proportional to 80,406.22, 110,832.42 and 63,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,406.22 : 110,832.42 = 63,382.72 : x
2. Step 2: Convert to fraction form
   80,406.22/110,832.42 = 63,382.72/x
3. Step 3: Cross multiply
   80,406.22x = 110,832.42 × 63,382.72
4. Step 4: Simplify right side
   80,406.22x = 7,024,860,243.78
5. Step 5: Solve for x
   x = 7,024,860,243.78/80,406.22
6. Step 6: Final answer
   x = 87,367.12