Finding the Fourth Proportional to 3,547.43, 5,320.49 and 1,081.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547.43 : 5,320.49 = 1,081.59 : x
2. Step 2: Convert to fraction form
   3,547.43/5,320.49 = 1,081.59/x
3. Step 3: Cross multiply
   3,547.43x = 5,320.49 × 1,081.59
4. Step 4: Simplify right side
   3,547.43x = 5,754,583.37
5. Step 5: Solve for x
   x = 5,754,583.37/3,547.43
6. Step 6: Final answer
   x = 1,622.19