Finding the Fourth Proportional to 3,538.89, 5,306.72 and 1,073.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538.89 : 5,306.72 = 1,073.16 : x
2. Step 2: Convert to fraction form
   3,538.89/5,306.72 = 1,073.16/x
3. Step 3: Cross multiply
   3,538.89x = 5,306.72 × 1,073.16
4. Step 4: Simplify right side
   3,538.89x = 5,694,954.27
5. Step 5: Solve for x
   x = 5,694,954.27/3,538.89
6. Step 6: Final answer
   x = 1,609.25