Finding the Fourth Proportional to 118,660.56, 163,751.88 and 65,668.56

Step by Step Solution

1. Step 1: Write the proportion equation
   118,660.56 : 163,751.88 = 65,668.56 : x
2. Step 2: Convert to fraction form
   118,660.56/163,751.88 = 65,668.56/x
3. Step 3: Cross multiply
   118,660.56x = 163,751.88 × 65,668.56
4. Step 4: Simplify right side
   118,660.56x = 10,753,350,156.89
5. Step 5: Solve for x
   x = 10,753,350,156.89/118,660.56
6. Step 6: Final answer
   x = 90,622.78