Finding the Fourth Proportional to 119,650.78, 165,119.17 and 65,937.72

Step by Step Solution

1. Step 1: Write the proportion equation
   119,650.78 : 165,119.17 = 65,937.72 : x
2. Step 2: Convert to fraction form
   119,650.78/165,119.17 = 65,937.72/x
3. Step 3: Cross multiply
   119,650.78x = 165,119.17 × 65,937.72
4. Step 4: Simplify right side
   119,650.78x = 10,887,581,433.25
5. Step 5: Solve for x
   x = 10,887,581,433.25/119,650.78
6. Step 6: Final answer
   x = 90,994.66