Finding the Fourth Proportional to 118,924.58, 164,115.81 and 65,210.49

Step by Step Solution

1. Step 1: Write the proportion equation
   118,924.58 : 164,115.81 = 65,210.49 : x
2. Step 2: Convert to fraction form
   118,924.58/164,115.81 = 65,210.49/x
3. Step 3: Cross multiply
   118,924.58x = 164,115.81 × 65,210.49
4. Step 4: Simplify right side
   118,924.58x = 10,702,072,386.85
5. Step 5: Solve for x
   x = 10,702,072,386.85/118,924.58
6. Step 6: Final answer
   x = 89,990.42