Finding the Fourth Proportional to 114,673.50, 158,249.52 and 64,388.70

Step by Step Solution

1. Step 1: Write the proportion equation
   114,673.50 : 158,249.52 = 64,388.70 : x
2. Step 2: Convert to fraction form
   114,673.50/158,249.52 = 64,388.70/x
3. Step 3: Cross multiply
   114,673.50x = 158,249.52 × 64,388.70
4. Step 4: Simplify right side
   114,673.50x = 10,189,480,868.42
5. Step 5: Solve for x
   x = 10,189,480,868.42/114,673.50
6. Step 6: Final answer
   x = 88,856.46