Finding the Fourth Proportional to 114,965.37, 158,650.59 and 64,664.25

Step by Step Solution

1. Step 1: Write the proportion equation
   114,965.37 : 158,650.59 = 64,664.25 : x
2. Step 2: Convert to fraction form
   114,965.37/158,650.59 = 64,664.25/x
3. Step 3: Cross multiply
   114,965.37x = 158,650.59 × 64,664.25
4. Step 4: Simplify right side
   114,965.37x = 10,259,021,091.09
5. Step 5: Solve for x
   x = 10,259,021,091.09/114,965.37
6. Step 6: Final answer
   x = 89,235.75