Finding the Fourth Proportional to 80,367.15, 110,778.59 and 63,345

Step by Step Solution

1. Step 1: Write the proportion equation
   80,367.15 : 110,778.59 = 63,345 : x
2. Step 2: Convert to fraction form
   80,367.15/110,778.59 = 63,345/x
3. Step 3: Cross multiply
   80,367.15x = 110,778.59 × 63,345
4. Step 4: Simplify right side
   80,367.15x = 7,017,269,466.83
5. Step 5: Solve for x
   x = 7,017,269,466.83/80,367.15
6. Step 6: Final answer
   x = 87,315.15