Finding the Fourth Proportional to 119,255.14, 164,571.78 and 65,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,255.14 : 164,571.78 = 65,543.50 : x
2. Step 2: Convert to fraction form
   119,255.14/164,571.78 = 65,543.50/x
3. Step 3: Cross multiply
   119,255.14x = 164,571.78 × 65,543.50
4. Step 4: Simplify right side
   119,255.14x = 10,786,610,462.43
5. Step 5: Solve for x
   x = 10,786,610,462.43/119,255.14
6. Step 6: Final answer
   x = 90,449.86