Finding the Fourth Proportional to 89,127.54, 122,736.77 and 83,429.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89,127.54 : 122,736.77 = 83,429.09 : x
2. Step 2: Convert to fraction form
   89,127.54/122,736.77 = 83,429.09/x
3. Step 3: Cross multiply
   89,127.54x = 122,736.77 × 83,429.09
4. Step 4: Simplify right side
   89,127.54x = 10,239,816,772.93
5. Step 5: Solve for x
   x = 10,239,816,772.93/89,127.54
6. Step 6: Final answer
   x = 114,889.48