Finding the Fourth Proportional to 3,491.34, 5,235.74 and 1,382.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,491.34 : 5,235.74 = 1,382.47 : x
2. Step 2: Convert to fraction form
   3,491.34/5,235.74 = 1,382.47/x
3. Step 3: Cross multiply
   3,491.34x = 5,235.74 × 1,382.47
4. Step 4: Simplify right side
   3,491.34x = 7,238,275.89
5. Step 5: Solve for x
   x = 7,238,275.89/3,491.34
6. Step 6: Final answer
   x = 2,073.21