Finding the Fourth Proportional to 78,587.37, 108,464.63 and 50,292.09

Step by Step Solution

1. Step 1: Write the proportion equation
   78,587.37 : 108,464.63 = 50,292.09 : x
2. Step 2: Convert to fraction form
   78,587.37/108,464.63 = 50,292.09/x
3. Step 3: Cross multiply
   78,587.37x = 108,464.63 × 50,292.09
4. Step 4: Simplify right side
   78,587.37x = 5,454,912,682.32
5. Step 5: Solve for x
   x = 5,454,912,682.32/78,587.37
6. Step 6: Final answer
   x = 69,412.08