Finding the Fourth Proportional to 115,449, 159,346.17 and 67,717.72

Step by Step Solution

1. Step 1: Write the proportion equation
   115,449 : 159,346.17 = 67,717.72 : x
2. Step 2: Convert to fraction form
   115,449/159,346.17 = 67,717.72/x
3. Step 3: Cross multiply
   115,449x = 159,346.17 × 67,717.72
4. Step 4: Simplify right side
   115,449x = 10,790,559,323.13
5. Step 5: Solve for x
   x = 10,790,559,323.13/115,449
6. Step 6: Final answer
   x = 93,466.03