Finding the Fourth Proportional to 118,108, 162,989.04 and 65,116

Step by Step Solution

1. Step 1: Write the proportion equation
   118,108 : 162,989.04 = 65,116 : x
2. Step 2: Convert to fraction form
   118,108/162,989.04 = 65,116/x
3. Step 3: Cross multiply
   118,108x = 162,989.04 × 65,116
4. Step 4: Simplify right side
   118,108x = 10,613,194,328.64
5. Step 5: Solve for x
   x = 10,613,194,328.64/118,108
6. Step 6: Final answer
   x = 89,860.08