Finding the Fourth Proportional to 3,538.73, 5,308.86 and 1,073.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538.73 : 5,308.86 = 1,073.75 : x
2. Step 2: Convert to fraction form
   3,538.73/5,308.86 = 1,073.75/x
3. Step 3: Cross multiply
   3,538.73x = 5,308.86 × 1,073.75
4. Step 4: Simplify right side
   3,538.73x = 5,700,361.88
5. Step 5: Solve for x
   x = 5,700,361.88/3,538.73
6. Step 6: Final answer
   x = 1,610.85