Finding the Fourth Proportional to 192,498.37, 288,796.77 and 80,141.25

Step by Step Solution

1. Step 1: Write the proportion equation
   192,498.37 : 288,796.77 = 80,141.25 : x
2. Step 2: Convert to fraction form
   192,498.37/288,796.77 = 80,141.25/x
3. Step 3: Cross multiply
   192,498.37x = 288,796.77 × 80,141.25
4. Step 4: Simplify right side
   192,498.37x = 23,144,533,376.87
5. Step 5: Solve for x
   x = 23,144,533,376.87/192,498.37
6. Step 6: Final answer
   x = 120,232.36