Finding the Fourth Proportional to 80,363.86, 120,477.72 and 49,133.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,363.86 : 120,477.72 = 49,133.50 : x
2. Step 2: Convert to fraction form
   80,363.86/120,477.72 = 49,133.50/x
3. Step 3: Cross multiply
   80,363.86x = 120,477.72 × 49,133.50
4. Step 4: Simplify right side
   80,363.86x = 5,919,492,055.62
5. Step 5: Solve for x
   x = 5,919,492,055.62/80,363.86
6. Step 6: Final answer
   x = 73,658.63