Finding the Fourth Proportional to 362,120.95, 499,703.61 and 200,976.10

Step by Step Solution

1. Step 1: Write the proportion equation
   362,120.95 : 499,703.61 = 200,976.10 : x
2. Step 2: Convert to fraction form
   362,120.95/499,703.61 = 200,976.10/x
3. Step 3: Cross multiply
   362,120.95x = 499,703.61 × 200,976.10
4. Step 4: Simplify right side
   362,120.95x = 100,428,482,693.72
5. Step 5: Solve for x
   x = 100,428,482,693.72/362,120.95
6. Step 6: Final answer
   x = 277,334.09