Finding the Fourth Proportional to 118,923.59, 164,114.07 and 65,212.01

Step by Step Solution

1. Step 1: Write the proportion equation
   118,923.59 : 164,114.07 = 65,212.01 : x
2. Step 2: Convert to fraction form
   118,923.59/164,114.07 = 65,212.01/x
3. Step 3: Cross multiply
   118,923.59x = 164,114.07 × 65,212.01
4. Step 4: Simplify right side
   118,923.59x = 10,702,208,936.09
5. Step 5: Solve for x
   x = 10,702,208,936.09/118,923.59
6. Step 6: Final answer
   x = 89,992.31