Finding the Fourth Proportional to 115,014.09, 158,717.75 and 64,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   115,014.09 : 158,717.75 = 64,026.72 : x
2. Step 2: Convert to fraction form
   115,014.09/158,717.75 = 64,026.72/x
3. Step 3: Cross multiply
   115,014.09x = 158,717.75 × 64,026.72
4. Step 4: Simplify right side
   115,014.09x = 10,162,176,618.15
5. Step 5: Solve for x
   x = 10,162,176,618.15/115,014.09
6. Step 6: Final answer
   x = 88,355.92