Finding the Fourth Proportional to 2,459.04, 3,689.12 and 1,288.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.04 : 3,689.12 = 1,288.48 : x
2. Step 2: Convert to fraction form
   2,459.04/3,689.12 = 1,288.48/x
3. Step 3: Cross multiply
   2,459.04x = 3,689.12 × 1,288.48
4. Step 4: Simplify right side
   2,459.04x = 4,753,357.34
5. Step 5: Solve for x
   x = 4,753,357.34/2,459.04
6. Step 6: Final answer
   x = 1,933.01