Finding the Fourth Proportional to 362,398, 500,109.42 and 201,279.28

Step by Step Solution

1. Step 1: Write the proportion equation
   362,398 : 500,109.42 = 201,279.28 : x
2. Step 2: Convert to fraction form
   362,398/500,109.42 = 201,279.28/x
3. Step 3: Cross multiply
   362,398x = 500,109.42 × 201,279.28
4. Step 4: Simplify right side
   362,398x = 100,661,663,978.82
5. Step 5: Solve for x
   x = 100,661,663,978.82/362,398
6. Step 6: Final answer
   x = 277,765.51