Finding the Fourth Proportional to 115,269.82, 159,073.25 and 64,285.79

Step by Step Solution

1. Step 1: Write the proportion equation
   115,269.82 : 159,073.25 = 64,285.79 : x
2. Step 2: Convert to fraction form
   115,269.82/159,073.25 = 64,285.79/x
3. Step 3: Cross multiply
   115,269.82x = 159,073.25 × 64,285.79
4. Step 4: Simplify right side
   115,269.82x = 10,226,148,427.32
5. Step 5: Solve for x
   x = 10,226,148,427.32/115,269.82
6. Step 6: Final answer
   x = 88,714.88