Finding the Fourth Proportional to 208,073.36, 311,978.82 and 114,644.72

Step by Step Solution

1. Step 1: Write the proportion equation
   208,073.36 : 311,978.82 = 114,644.72 : x
2. Step 2: Convert to fraction form
   208,073.36/311,978.82 = 114,644.72/x
3. Step 3: Cross multiply
   208,073.36x = 311,978.82 × 114,644.72
4. Step 4: Simplify right side
   208,073.36x = 35,766,724,464.83
5. Step 5: Solve for x
   x = 35,766,724,464.83/208,073.36
6. Step 6: Final answer
   x = 171,894.78