Finding the Fourth Proportional to 116,726.36, 161,064.60 and 65,736.42

Step by Step Solution

1. Step 1: Write the proportion equation
   116,726.36 : 161,064.60 = 65,736.42 : x
2. Step 2: Convert to fraction form
   116,726.36/161,064.60 = 65,736.42/x
3. Step 3: Cross multiply
   116,726.36x = 161,064.60 × 65,736.42
4. Step 4: Simplify right side
   116,726.36x = 10,587,810,192.73
5. Step 5: Solve for x
   x = 10,587,810,192.73/116,726.36
6. Step 6: Final answer
   x = 90,706.25