Finding the Fourth Proportional to 118,925.28, 164,115.48 and 65,209.83

Step by Step Solution

1. Step 1: Write the proportion equation
   118,925.28 : 164,115.48 = 65,209.83 : x
2. Step 2: Convert to fraction form
   118,925.28/164,115.48 = 65,209.83/x
3. Step 3: Cross multiply
   118,925.28x = 164,115.48 × 65,209.83
4. Step 4: Simplify right side
   118,925.28x = 10,701,942,180.27
5. Step 5: Solve for x
   x = 10,701,942,180.27/118,925.28
6. Step 6: Final answer
   x = 89,988.79