Finding the Fourth Proportional to 209,494.82, 289,108.88 and 114,007.56

Step by Step Solution

1. Step 1: Write the proportion equation
   209,494.82 : 289,108.88 = 114,007.56 : x
2. Step 2: Convert to fraction form
   209,494.82/289,108.88 = 114,007.56/x
3. Step 3: Cross multiply
   209,494.82x = 289,108.88 × 114,007.56
4. Step 4: Simplify right side
   209,494.82x = 32,960,597,413.10
5. Step 5: Solve for x
   x = 32,960,597,413.10/209,494.82
6. Step 6: Final answer
   x = 157,333.71