Finding the Fourth Proportional to 119,116.68, 164,373.57 and 65,401.35

Step by Step Solution

1. Step 1: Write the proportion equation
   119,116.68 : 164,373.57 = 65,401.35 : x
2. Step 2: Convert to fraction form
   119,116.68/164,373.57 = 65,401.35/x
3. Step 3: Cross multiply
   119,116.68x = 164,373.57 × 65,401.35
4. Step 4: Simplify right side
   119,116.68x = 10,750,253,382.32
5. Step 5: Solve for x
   x = 10,750,253,382.32/119,116.68
6. Step 6: Final answer
   x = 90,249.77