Finding the Fourth Proportional to 119,511.71, 164,919.89 and 65,786.23

Step by Step Solution

1. Step 1: Write the proportion equation
   119,511.71 : 164,919.89 = 65,786.23 : x
2. Step 2: Convert to fraction form
   119,511.71/164,919.89 = 65,786.23/x
3. Step 3: Cross multiply
   119,511.71x = 164,919.89 × 65,786.23
4. Step 4: Simplify right side
   119,511.71x = 10,849,458,185.73
5. Step 5: Solve for x
   x = 10,849,458,185.73/119,511.71
6. Step 6: Final answer
   x = 90,781.55