Finding the Fourth Proportional to 78,369.78, 108,183.39 and 52,910.63

Step by Step Solution

1. Step 1: Write the proportion equation
   78,369.78 : 108,183.39 = 52,910.63 : x
2. Step 2: Convert to fraction form
   78,369.78/108,183.39 = 52,910.63/x
3. Step 3: Cross multiply
   78,369.78x = 108,183.39 × 52,910.63
4. Step 4: Simplify right side
   78,369.78x = 5,724,050,779.52
5. Step 5: Solve for x
   x = 5,724,050,779.52/78,369.78
6. Step 6: Final answer
   x = 73,039.01