Finding the Fourth Proportional to 116,198.23, 160,317 and 65,203.46

Step by Step Solution

1. Step 1: Write the proportion equation
   116,198.23 : 160,317 = 65,203.46 : x
2. Step 2: Convert to fraction form
   116,198.23/160,317 = 65,203.46/x
3. Step 3: Cross multiply
   116,198.23x = 160,317 × 65,203.46
4. Step 4: Simplify right side
   116,198.23x = 10,453,223,096.82
5. Step 5: Solve for x
   x = 10,453,223,096.82/116,198.23
6. Step 6: Final answer
   x = 89,960.26