Finding the Fourth Proportional to 119,496.27, 164,903.54 and 65,780.18

Step by Step Solution

1. Step 1: Write the proportion equation
   119,496.27 : 164,903.54 = 65,780.18 : x
2. Step 2: Convert to fraction form
   119,496.27/164,903.54 = 65,780.18/x
3. Step 3: Cross multiply
   119,496.27x = 164,903.54 × 65,780.18
4. Step 4: Simplify right side
   119,496.27x = 10,847,384,543.84
5. Step 5: Solve for x
   x = 10,847,384,543.84/119,496.27
6. Step 6: Final answer
   x = 90,775.93