Finding the Fourth Proportional to 78,369.91, 108,183.57 and 52,910.75

Step by Step Solution

1. Step 1: Write the proportion equation
   78,369.91 : 108,183.57 = 52,910.75 : x
2. Step 2: Convert to fraction form
   78,369.91/108,183.57 = 52,910.75/x
3. Step 3: Cross multiply
   78,369.91x = 108,183.57 × 52,910.75
4. Step 4: Simplify right side
   78,369.91x = 5,724,074,344.86
5. Step 5: Solve for x
   x = 5,724,074,344.86/78,369.91
6. Step 6: Final answer
   x = 73,039.18