Finding the Fourth Proportional to 114,966, 158,651.52 and 64,665.12

Step by Step Solution

1. Step 1: Write the proportion equation
   114,966 : 158,651.52 = 64,665.12 : x
2. Step 2: Convert to fraction form
   114,966/158,651.52 = 64,665.12/x
3. Step 3: Cross multiply
   114,966x = 158,651.52 × 64,665.12
4. Step 4: Simplify right side
   114,966x = 10,259,219,578.98
5. Step 5: Solve for x
   x = 10,259,219,578.98/114,966
6. Step 6: Final answer
   x = 89,236.99