Finding the Fourth Proportional to 118,981.94, 164,194.02 and 65,265.98

Step by Step Solution

1. Step 1: Write the proportion equation
   118,981.94 : 164,194.02 = 65,265.98 : x
2. Step 2: Convert to fraction form
   118,981.94/164,194.02 = 65,265.98/x
3. Step 3: Cross multiply
   118,981.94x = 164,194.02 × 65,265.98
4. Step 4: Simplify right side
   118,981.94x = 10,716,282,804.47
5. Step 5: Solve for x
   x = 10,716,282,804.47/118,981.94
6. Step 6: Final answer
   x = 90,066.47