Finding the Fourth Proportional to 78,765.83, 108,635.41 and 50,474.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,765.83 : 108,635.41 = 50,474.15 : x
2. Step 2: Convert to fraction form
   78,765.83/108,635.41 = 50,474.15/x
3. Step 3: Cross multiply
   78,765.83x = 108,635.41 × 50,474.15
4. Step 4: Simplify right side
   78,765.83x = 5,483,279,979.65
5. Step 5: Solve for x
   x = 5,483,279,979.65/78,765.83
6. Step 6: Final answer
   x = 69,614.96