Finding the Fourth Proportional to 151,659.73, 209,289.82 and 83,680.93

Step by Step Solution

1. Step 1: Write the proportion equation
   151,659.73 : 209,289.82 = 83,680.93 : x
2. Step 2: Convert to fraction form
   151,659.73/209,289.82 = 83,680.93/x
3. Step 3: Cross multiply
   151,659.73x = 209,289.82 × 83,680.93
4. Step 4: Simplify right side
   151,659.73x = 17,513,566,044.71
5. Step 5: Solve for x
   x = 17,513,566,044.71/151,659.73
6. Step 6: Final answer
   x = 115,479.35