Finding the Fourth Proportional to 199,061.22, 298,589.98 and 80,704.43

Step by Step Solution

1. Step 1: Write the proportion equation
   199,061.22 : 298,589.98 = 80,704.43 : x
2. Step 2: Convert to fraction form
   199,061.22/298,589.98 = 80,704.43/x
3. Step 3: Cross multiply
   199,061.22x = 298,589.98 × 80,704.43
4. Step 4: Simplify right side
   199,061.22x = 24,097,532,747.54
5. Step 5: Solve for x
   x = 24,097,532,747.54/199,061.22
6. Step 6: Final answer
   x = 121,055.89