Finding the Fourth Proportional to 362,139.96, 499,776.50 and 200,995.02

Step by Step Solution

1. Step 1: Write the proportion equation
   362,139.96 : 499,776.50 = 200,995.02 : x
2. Step 2: Convert to fraction form
   362,139.96/499,776.50 = 200,995.02/x
3. Step 3: Cross multiply
   362,139.96x = 499,776.50 × 200,995.02
4. Step 4: Simplify right side
   362,139.96x = 100,452,586,608.06
5. Step 5: Solve for x
   x = 100,452,586,608.06/362,139.96
6. Step 6: Final answer
   x = 277,386.09