Finding the Fourth Proportional to 119,121.42, 164,389.84 and 65,411.94

Step by Step Solution

1. Step 1: Write the proportion equation
   119,121.42 : 164,389.84 = 65,411.94 : x
2. Step 2: Convert to fraction form
   119,121.42/164,389.84 = 65,411.94/x
3. Step 3: Cross multiply
   119,121.42x = 164,389.84 × 65,411.94
4. Step 4: Simplify right side
   119,121.42x = 10,753,058,350.69
5. Step 5: Solve for x
   x = 10,753,058,350.69/119,121.42
6. Step 6: Final answer
   x = 90,269.73