Finding the Fourth Proportional to 2,069, 3,103.50 and 608.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069 : 3,103.50 = 608.12 : x
2. Step 2: Convert to fraction form
   2,069/3,103.50 = 608.12/x
3. Step 3: Cross multiply
   2,069x = 3,103.50 × 608.12
4. Step 4: Simplify right side
   2,069x = 1,887,300.42
5. Step 5: Solve for x
   x = 1,887,300.42/2,069
6. Step 6: Final answer
   x = 912.18