Finding the Fourth Proportional to 200,499.10, 276,688.67 and 119,945.54

Step by Step Solution

1. Step 1: Write the proportion equation
   200,499.10 : 276,688.67 = 119,945.54 : x
2. Step 2: Convert to fraction form
   200,499.10/276,688.67 = 119,945.54/x
3. Step 3: Cross multiply
   200,499.10x = 276,688.67 × 119,945.54
4. Step 4: Simplify right side
   200,499.10x = 33,187,572,027.03
5. Step 5: Solve for x
   x = 33,187,572,027.03/200,499.10
6. Step 6: Final answer
   x = 165,524.80