Finding the Fourth Proportional to 3,832.72, 5,749.31 and 1,200.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,832.72 : 5,749.31 = 1,200.72 : x
2. Step 2: Convert to fraction form
   3,832.72/5,749.31 = 1,200.72/x
3. Step 3: Cross multiply
   3,832.72x = 5,749.31 × 1,200.72
4. Step 4: Simplify right side
   3,832.72x = 6,903,311.50
5. Step 5: Solve for x
   x = 6,903,311.50/3,832.72
6. Step 6: Final answer
   x = 1,801.15