Finding the Fourth Proportional to 118,791.40, 163,936.22 and 65,076.41

Step by Step Solution

1. Step 1: Write the proportion equation
   118,791.40 : 163,936.22 = 65,076.41 : x
2. Step 2: Convert to fraction form
   118,791.40/163,936.22 = 65,076.41/x
3. Step 3: Cross multiply
   118,791.40x = 163,936.22 × 65,076.41
4. Step 4: Simplify right side
   118,791.40x = 10,668,380,666.57
5. Step 5: Solve for x
   x = 10,668,380,666.57/118,791.40
6. Step 6: Final answer
   x = 89,807.69