Finding the Fourth Proportional to 208,796.82, 288,136.50 and 122,765.52

Step by Step Solution

1. Step 1: Write the proportion equation
   208,796.82 : 288,136.50 = 122,765.52 : x
2. Step 2: Convert to fraction form
   208,796.82/288,136.50 = 122,765.52/x
3. Step 3: Cross multiply
   208,796.82x = 288,136.50 × 122,765.52
4. Step 4: Simplify right side
   208,796.82x = 35,373,227,253.48
5. Step 5: Solve for x
   x = 35,373,227,253.48/208,796.82
6. Step 6: Final answer
   x = 169,414.59