Finding the Fourth Proportional to 151,831.86, 209,529.63 and 83,848.71

Step by Step Solution

1. Step 1: Write the proportion equation
   151,831.86 : 209,529.63 = 83,848.71 : x
2. Step 2: Convert to fraction form
   151,831.86/209,529.63 = 83,848.71/x
3. Step 3: Cross multiply
   151,831.86x = 209,529.63 × 83,848.71
4. Step 4: Simplify right side
   151,831.86x = 17,568,789,182.28
5. Step 5: Solve for x
   x = 17,568,789,182.28/151,831.86
6. Step 6: Final answer
   x = 115,712.14