Finding the Fourth Proportional to 151,694.32, 209,336.72 and 83,711.92

Step by Step Solution

1. Step 1: Write the proportion equation
   151,694.32 : 209,336.72 = 83,711.92 : x
2. Step 2: Convert to fraction form
   151,694.32/209,336.72 = 83,711.92/x
3. Step 3: Cross multiply
   151,694.32x = 209,336.72 × 83,711.92
4. Step 4: Simplify right side
   151,694.32x = 17,523,978,757.70
5. Step 5: Solve for x
   x = 17,523,978,757.70/151,694.32
6. Step 6: Final answer
   x = 115,521.65