Finding the Fourth Proportional to 115,570.24, 159,475.20 and 65,259.52

Step by Step Solution

1. Step 1: Write the proportion equation
   115,570.24 : 159,475.20 = 65,259.52 : x
2. Step 2: Convert to fraction form
   115,570.24/159,475.20 = 65,259.52/x
3. Step 3: Cross multiply
   115,570.24x = 159,475.20 × 65,259.52
4. Step 4: Simplify right side
   115,570.24x = 10,407,275,003.90
5. Step 5: Solve for x
   x = 10,407,275,003.90/115,570.24
6. Step 6: Final answer
   x = 90,051.51