Finding the Fourth Proportional to 574,249.50, 861,768.72 and 200,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,249.50 : 861,768.72 = 200,272.50 : x
2. Step 2: Convert to fraction form
   574,249.50/861,768.72 = 200,272.50/x
3. Step 3: Cross multiply
   574,249.50x = 861,768.72 × 200,272.50
4. Step 4: Simplify right side
   574,249.50x = 172,588,575,976.20
5. Step 5: Solve for x
   x = 172,588,575,976.20/574,249.50
6. Step 6: Final answer
   x = 300,546.32