Finding the Fourth Proportional to 3,491.69, 5,238.31 and 1,152.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,491.69 : 5,238.31 = 1,152.42 : x
2. Step 2: Convert to fraction form
   3,491.69/5,238.31 = 1,152.42/x
3. Step 3: Cross multiply
   3,491.69x = 5,238.31 × 1,152.42
4. Step 4: Simplify right side
   3,491.69x = 6,036,733.21
5. Step 5: Solve for x
   x = 6,036,733.21/3,491.69
6. Step 6: Final answer
   x = 1,728.89