Finding the Fourth Proportional to 116,453.54, 160,706.07 and 65,469.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116,453.54 : 160,706.07 = 65,469.12 : x
2. Step 2: Convert to fraction form
   116,453.54/160,706.07 = 65,469.12/x
3. Step 3: Cross multiply
   116,453.54x = 160,706.07 × 65,469.12
4. Step 4: Simplify right side
   116,453.54x = 10,521,284,981.56
5. Step 5: Solve for x
   x = 10,521,284,981.56/116,453.54
6. Step 6: Final answer
   x = 90,347.49