Finding the Fourth Proportional to 115,560, 159,485.76 and 65,262.24

Step by Step Solution

1. Step 1: Write the proportion equation
   115,560 : 159,485.76 = 65,262.24 : x
2. Step 2: Convert to fraction form
   115,560/159,485.76 = 65,262.24/x
3. Step 3: Cross multiply
   115,560x = 159,485.76 × 65,262.24
4. Step 4: Simplify right side
   115,560x = 10,408,397,945.70
5. Step 5: Solve for x
   x = 10,408,397,945.70/115,560
6. Step 6: Final answer
   x = 90,069.21