Finding the Fourth Proportional to 116,282.34, 160,469.60 and 65,981.34

Step by Step Solution

1. Step 1: Write the proportion equation
   116,282.34 : 160,469.60 = 65,981.34 : x
2. Step 2: Convert to fraction form
   116,282.34/160,469.60 = 65,981.34/x
3. Step 3: Cross multiply
   116,282.34x = 160,469.60 × 65,981.34
4. Step 4: Simplify right side
   116,282.34x = 10,587,999,237.26
5. Step 5: Solve for x
   x = 10,587,999,237.26/116,282.34
6. Step 6: Final answer
   x = 91,054.23