Finding the Fourth Proportional to 209,872.82, 289,624.71 and 114,379.59

Step by Step Solution

1. Step 1: Write the proportion equation
   209,872.82 : 289,624.71 = 114,379.59 : x
2. Step 2: Convert to fraction form
   209,872.82/289,624.71 = 114,379.59/x
3. Step 3: Cross multiply
   209,872.82x = 289,624.71 × 114,379.59
4. Step 4: Simplify right side
   209,872.82x = 33,127,157,098.69
5. Step 5: Solve for x
   x = 33,127,157,098.69/209,872.82
6. Step 6: Final answer
   x = 157,843.96