Finding the Fourth Proportional to 116,362.57, 160,597.71 and 71,066.60

Step by Step Solution

1. Step 1: Write the proportion equation
   116,362.57 : 160,597.71 = 71,066.60 : x
2. Step 2: Convert to fraction form
   116,362.57/160,597.71 = 71,066.60/x
3. Step 3: Cross multiply
   116,362.57x = 160,597.71 × 71,066.60
4. Step 4: Simplify right side
   116,362.57x = 11,413,133,217.49
5. Step 5: Solve for x
   x = 11,413,133,217.49/116,362.57
6. Step 6: Final answer
   x = 98,082.51