Finding the Fourth Proportional to 119,017.20, 164,238.24 and 65,300.88

Step by Step Solution

1. Step 1: Write the proportion equation
   119,017.20 : 164,238.24 = 65,300.88 : x
2. Step 2: Convert to fraction form
   119,017.20/164,238.24 = 65,300.88/x
3. Step 3: Cross multiply
   119,017.20x = 164,238.24 × 65,300.88
4. Step 4: Simplify right side
   119,017.20x = 10,724,901,601.65
5. Step 5: Solve for x
   x = 10,724,901,601.65/119,017.20
6. Step 6: Final answer
   x = 90,112.20