Finding the Fourth Proportional to 119,511.58, 164,919.72 and 65,786.11

Step by Step Solution

1. Step 1: Write the proportion equation
   119,511.58 : 164,919.72 = 65,786.11 : x
2. Step 2: Convert to fraction form
   119,511.58/164,919.72 = 65,786.11/x
3. Step 3: Cross multiply
   119,511.58x = 164,919.72 × 65,786.11
4. Step 4: Simplify right side
   119,511.58x = 10,849,426,016.49
5. Step 5: Solve for x
   x = 10,849,426,016.49/119,511.58
6. Step 6: Final answer
   x = 90,781.38