Finding the Fourth Proportional to 3,433.72, 5,150.52 and 836.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,433.72 : 5,150.52 = 836.68 : x
2. Step 2: Convert to fraction form
   3,433.72/5,150.52 = 836.68/x
3. Step 3: Cross multiply
   3,433.72x = 5,150.52 × 836.68
4. Step 4: Simplify right side
   3,433.72x = 4,309,337.07
5. Step 5: Solve for x
   x = 4,309,337.07/3,433.72
6. Step 6: Final answer
   x = 1,255.01