Finding the Fourth Proportional to 115,342.18, 159,172.23 and 65,041.18

Step by Step Solution

1. Step 1: Write the proportion equation
   115,342.18 : 159,172.23 = 65,041.18 : x
2. Step 2: Convert to fraction form
   115,342.18/159,172.23 = 65,041.18/x
3. Step 3: Cross multiply
   115,342.18x = 159,172.23 × 65,041.18
4. Step 4: Simplify right side
   115,342.18x = 10,352,749,662.43
5. Step 5: Solve for x
   x = 10,352,749,662.43/115,342.18
6. Step 6: Final answer
   x = 89,756.84