Finding the Fourth Proportional to 115,196.26, 159,032.51 and 80,846.69

Step by Step Solution

1. Step 1: Write the proportion equation
   115,196.26 : 159,032.51 = 80,846.69 : x
2. Step 2: Convert to fraction form
   115,196.26/159,032.51 = 80,846.69/x
3. Step 3: Cross multiply
   115,196.26x = 159,032.51 × 80,846.69
4. Step 4: Simplify right side
   115,196.26x = 12,857,252,035.89
5. Step 5: Solve for x
   x = 12,857,252,035.89/115,196.26
6. Step 6: Final answer
   x = 111,611.71