Finding the Fourth Proportional to 114,949.37, 158,631.54 and 64,648.37

Step by Step Solution

1. Step 1: Write the proportion equation
   114,949.37 : 158,631.54 = 64,648.37 : x
2. Step 2: Convert to fraction form
   114,949.37/158,631.54 = 64,648.37/x
3. Step 3: Cross multiply
   114,949.37x = 158,631.54 × 64,648.37
4. Step 4: Simplify right side
   114,949.37x = 10,255,270,491.59
5. Step 5: Solve for x
   x = 10,255,270,491.59/114,949.37
6. Step 6: Final answer
   x = 89,215.54