Finding the Fourth Proportional to 151,838.62, 209,533.71 and 83,854.24

Step by Step Solution

1. Step 1: Write the proportion equation
   151,838.62 : 209,533.71 = 83,854.24 : x
2. Step 2: Convert to fraction form
   151,838.62/209,533.71 = 83,854.24/x
3. Step 3: Cross multiply
   151,838.62x = 209,533.71 × 83,854.24
4. Step 4: Simplify right side
   151,838.62x = 17,570,290,006.43
5. Step 5: Solve for x
   x = 17,570,290,006.43/151,838.62
6. Step 6: Final answer
   x = 115,716.87