Finding the Fourth Proportional to 151,707.62, 209,358.72 and 83,727.77

Step by Step Solution

1. Step 1: Write the proportion equation
   151,707.62 : 209,358.72 = 83,727.77 : x
2. Step 2: Convert to fraction form
   151,707.62/209,358.72 = 83,727.77/x
3. Step 3: Cross multiply
   151,707.62x = 209,358.72 × 83,727.77
4. Step 4: Simplify right side
   151,707.62x = 17,529,137,708.86
5. Step 5: Solve for x
   x = 17,529,137,708.86/151,707.62
6. Step 6: Final answer
   x = 115,545.54