Finding the Fourth Proportional to 209,513.34, 289,128.42 and 114,017.94

Step by Step Solution

1. Step 1: Write the proportion equation
   209,513.34 : 289,128.42 = 114,017.94 : x
2. Step 2: Convert to fraction form
   209,513.34/289,128.42 = 114,017.94/x
3. Step 3: Cross multiply
   209,513.34x = 289,128.42 × 114,017.94
4. Step 4: Simplify right side
   209,513.34x = 32,965,826,843.85
5. Step 5: Solve for x
   x = 32,965,826,843.85/209,513.34
6. Step 6: Final answer
   x = 157,344.76