Finding the Fourth Proportional to 118,997.52, 164,217.83 and 65,281.16

Step by Step Solution

1. Step 1: Write the proportion equation
   118,997.52 : 164,217.83 = 65,281.16 : x
2. Step 2: Convert to fraction form
   118,997.52/164,217.83 = 65,281.16/x
3. Step 3: Cross multiply
   118,997.52x = 164,217.83 × 65,281.16
4. Step 4: Simplify right side
   118,997.52x = 10,720,329,287.59
5. Step 5: Solve for x
   x = 10,720,329,287.59/118,997.52
6. Step 6: Final answer
   x = 90,088.68