Finding the Fourth Proportional to 119,400.35, 164,770.73 and 65,682.17

Step by Step Solution

1. Step 1: Write the proportion equation
   119,400.35 : 164,770.73 = 65,682.17 : x
2. Step 2: Convert to fraction form
   119,400.35/164,770.73 = 65,682.17/x
3. Step 3: Cross multiply
   119,400.35x = 164,770.73 × 65,682.17
4. Step 4: Simplify right side
   119,400.35x = 10,822,499,098.88
5. Step 5: Solve for x
   x = 10,822,499,098.88/119,400.35
6. Step 6: Final answer
   x = 90,640.43