Finding the Fourth Proportional to 118,866.69, 164,035.05 and 65,151.58

Step by Step Solution

1. Step 1: Write the proportion equation
   118,866.69 : 164,035.05 = 65,151.58 : x
2. Step 2: Convert to fraction form
   118,866.69/164,035.05 = 65,151.58/x
3. Step 3: Cross multiply
   118,866.69x = 164,035.05 × 65,151.58
4. Step 4: Simplify right side
   118,866.69x = 10,687,142,682.88
5. Step 5: Solve for x
   x = 10,687,142,682.88/118,866.69
6. Step 6: Final answer
   x = 89,908.64