Finding the Fourth Proportional to 115,591, 159,528.56 and 65,293.24

Step by Step Solution

1. Step 1: Write the proportion equation
   115,591 : 159,528.56 = 65,293.24 : x
2. Step 2: Convert to fraction form
   115,591/159,528.56 = 65,293.24/x
3. Step 3: Cross multiply
   115,591x = 159,528.56 × 65,293.24
4. Step 4: Simplify right side
   115,591x = 10,416,136,554.93
5. Step 5: Solve for x
   x = 10,416,136,554.93/115,591
6. Step 6: Final answer
   x = 90,112.00