Finding the Fourth Proportional to 118,895.75, 164,074.75 and 65,180.77

Step by Step Solution

1. Step 1: Write the proportion equation
   118,895.75 : 164,074.75 = 65,180.77 : x
2. Step 2: Convert to fraction form
   118,895.75/164,074.75 = 65,180.77/x
3. Step 3: Cross multiply
   118,895.75x = 164,074.75 × 65,180.77
4. Step 4: Simplify right side
   118,895.75x = 10,694,517,969.42
5. Step 5: Solve for x
   x = 10,694,517,969.42/118,895.75
6. Step 6: Final answer
   x = 89,948.70