Finding the Fourth Proportional to 119,170.35, 164,454.71 and 65,458.71

Step by Step Solution

1. Step 1: Write the proportion equation
   119,170.35 : 164,454.71 = 65,458.71 : x
2. Step 2: Convert to fraction form
   119,170.35/164,454.71 = 65,458.71/x
3. Step 3: Cross multiply
   119,170.35x = 164,454.71 × 65,458.71
4. Step 4: Simplify right side
   119,170.35x = 10,764,992,842.73
5. Step 5: Solve for x
   x = 10,764,992,842.73/119,170.35
6. Step 6: Final answer
   x = 90,332.81