Finding the Fourth Proportional to 115,016.39, 158,718.89 and 64,027.44

Step by Step Solution

1. Step 1: Write the proportion equation
   115,016.39 : 158,718.89 = 64,027.44 : x
2. Step 2: Convert to fraction form
   115,016.39/158,718.89 = 64,027.44/x
3. Step 3: Cross multiply
   115,016.39x = 158,718.89 × 64,027.44
4. Step 4: Simplify right side
   115,016.39x = 10,162,363,886.20
5. Step 5: Solve for x
   x = 10,162,363,886.20/115,016.39
6. Step 6: Final answer
   x = 88,355.79