Finding the Fourth Proportional to 86,782.56, 119,673.72 and 65,323.68

Step by Step Solution

1. Step 1: Write the proportion equation
   86,782.56 : 119,673.72 = 65,323.68 : x
2. Step 2: Convert to fraction form
   86,782.56/119,673.72 = 65,323.68/x
3. Step 3: Cross multiply
   86,782.56x = 119,673.72 × 65,323.68
4. Step 4: Simplify right side
   86,782.56x = 7,817,527,789.69
5. Step 5: Solve for x
   x = 7,817,527,789.69/86,782.56
6. Step 6: Final answer
   x = 90,081.78