Finding the Fourth Proportional to 118,891.98, 164,070.81 and 65,177.46

Step by Step Solution

1. Step 1: Write the proportion equation
   118,891.98 : 164,070.81 = 65,177.46 : x
2. Step 2: Convert to fraction form
   118,891.98/164,070.81 = 65,177.46/x
3. Step 3: Cross multiply
   118,891.98x = 164,070.81 × 65,177.46
4. Step 4: Simplify right side
   118,891.98x = 10,693,718,655.94
5. Step 5: Solve for x
   x = 10,693,718,655.94/118,891.98
6. Step 6: Final answer
   x = 89,944.83