Finding the Fourth Proportional to 73,401.19, 109,913.31 and 50,879.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,401.19 : 109,913.31 = 50,879.72 : x
2. Step 2: Convert to fraction form
   73,401.19/109,913.31 = 50,879.72/x
3. Step 3: Cross multiply
   73,401.19x = 109,913.31 × 50,879.72
4. Step 4: Simplify right side
   73,401.19x = 5,592,358,711.86
5. Step 5: Solve for x
   x = 5,592,358,711.86/73,401.19
6. Step 6: Final answer
   x = 76,188.94