Finding the Fourth Proportional to 114,960, 158,653.92 and 64,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,960 : 158,653.92 = 64,662.72 : x
2. Step 2: Convert to fraction form
   114,960/158,653.92 = 64,662.72/x
3. Step 3: Cross multiply
   114,960x = 158,653.92 × 64,662.72
4. Step 4: Simplify right side
   114,960x = 10,258,994,005.86
5. Step 5: Solve for x
   x = 10,258,994,005.86/114,960
6. Step 6: Final answer
   x = 89,239.68