Finding the Fourth Proportional to 118,936.41, 164,132.15 and 64,490.38

Step by Step Solution

1. Step 1: Write the proportion equation
   118,936.41 : 164,132.15 = 64,490.38 : x
2. Step 2: Convert to fraction form
   118,936.41/164,132.15 = 64,490.38/x
3. Step 3: Cross multiply
   118,936.41x = 164,132.15 × 64,490.38
4. Step 4: Simplify right side
   118,936.41x = 10,584,944,723.72
5. Step 5: Solve for x
   x = 10,584,944,723.72/118,936.41
6. Step 6: Final answer
   x = 88,996.67