Finding the Fourth Proportional to 362,150.28, 499,763.61 and 201,006.72

Step by Step Solution

1. Step 1: Write the proportion equation
   362,150.28 : 499,763.61 = 201,006.72 : x
2. Step 2: Convert to fraction form
   362,150.28/499,763.61 = 201,006.72/x
3. Step 3: Cross multiply
   362,150.28x = 499,763.61 × 201,006.72
4. Step 4: Simplify right side
   362,150.28x = 100,455,844,021.46
5. Step 5: Solve for x
   x = 100,455,844,021.46/362,150.28
6. Step 6: Final answer
   x = 277,387.18