Finding the Fourth Proportional to 118,863.91, 164,034.38 and 65,148.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,863.91 : 164,034.38 = 65,148.52 : x
2. Step 2: Convert to fraction form
   118,863.91/164,034.38 = 65,148.52/x
3. Step 3: Cross multiply
   118,863.91x = 164,034.38 × 65,148.52
4. Step 4: Simplify right side
   118,863.91x = 10,686,597,086.12
5. Step 5: Solve for x
   x = 10,686,597,086.12/118,863.91
6. Step 6: Final answer
   x = 89,906.15