Finding the Fourth Proportional to 362,409, 500,110.72 and 201,274.43

Step by Step Solution

1. Step 1: Write the proportion equation
   362,409 : 500,110.72 = 201,274.43 : x
2. Step 2: Convert to fraction form
   362,409/500,110.72 = 201,274.43/x
3. Step 3: Cross multiply
   362,409x = 500,110.72 × 201,274.43
4. Step 4: Simplify right side
   362,409x = 100,659,500,104.89
5. Step 5: Solve for x
   x = 100,659,500,104.89/362,409
6. Step 6: Final answer
   x = 277,751.10