Finding the Fourth Proportional to 78,183.87, 107,900.37 and 65,414.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,183.87 : 107,900.37 = 65,414.52 : x
2. Step 2: Convert to fraction form
   78,183.87/107,900.37 = 65,414.52/x
3. Step 3: Cross multiply
   78,183.87x = 107,900.37 × 65,414.52
4. Step 4: Simplify right side
   78,183.87x = 7,058,250,911.37
5. Step 5: Solve for x
   x = 7,058,250,911.37/78,183.87
6. Step 6: Final answer
   x = 90,277.58