Finding the Fourth Proportional to 3,538.89, 5,306.06 and 1,073.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538.89 : 5,306.06 = 1,073.05 : x
2. Step 2: Convert to fraction form
   3,538.89/5,306.06 = 1,073.05/x
3. Step 3: Cross multiply
   3,538.89x = 5,306.06 × 1,073.05
4. Step 4: Simplify right side
   3,538.89x = 5,693,651.06
5. Step 5: Solve for x
   x = 5,693,651.06/3,538.89
6. Step 6: Final answer
   x = 1,608.88