Finding the Fourth Proportional to 80,367.56, 120,590.22 and 49,185.80

Step by Step Solution

1. Step 1: Write the proportion equation
   80,367.56 : 120,590.22 = 49,185.80 : x
2. Step 2: Convert to fraction form
   80,367.56/120,590.22 = 49,185.80/x
3. Step 3: Cross multiply
   80,367.56x = 120,590.22 × 49,185.80
4. Step 4: Simplify right side
   80,367.56x = 5,931,326,442.88
5. Step 5: Solve for x
   x = 5,931,326,442.88/80,367.56
6. Step 6: Final answer
   x = 73,802.49