Finding the Fourth Proportional to 80,367.86, 120,483.72 and 49,137.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,367.86 : 120,483.72 = 49,137.50 : x
2. Step 2: Convert to fraction form
   80,367.86/120,483.72 = 49,137.50/x
3. Step 3: Cross multiply
   80,367.86x = 120,483.72 × 49,137.50
4. Step 4: Simplify right side
   80,367.86x = 5,920,268,791.50
5. Step 5: Solve for x
   x = 5,920,268,791.50/80,367.86
6. Step 6: Final answer
   x = 73,664.63