Finding the Fourth Proportional to 80,404.72, 110,830.35 and 63,381.22

Step by Step Solution

1. Step 1: Write the proportion equation
   80,404.72 : 110,830.35 = 63,381.22 : x
2. Step 2: Convert to fraction form
   80,404.72/110,830.35 = 63,381.22/x
3. Step 3: Cross multiply
   80,404.72x = 110,830.35 × 63,381.22
4. Step 4: Simplify right side
   80,404.72x = 7,024,562,796.03
5. Step 5: Solve for x
   x = 7,024,562,796.03/80,404.72
6. Step 6: Final answer
   x = 87,365.06