Finding the Fourth Proportional to 119,373.50, 164,736.78 and 65,659.40

Step by Step Solution

1. Step 1: Write the proportion equation
   119,373.50 : 164,736.78 = 65,659.40 : x
2. Step 2: Convert to fraction form
   119,373.50/164,736.78 = 65,659.40/x
3. Step 3: Cross multiply
   119,373.50x = 164,736.78 × 65,659.40
4. Step 4: Simplify right side
   119,373.50x = 10,816,518,132.73
5. Step 5: Solve for x
   x = 10,816,518,132.73/119,373.50
6. Step 6: Final answer
   x = 90,610.71