Finding the Fourth Proportional to 2,459.52, 3,686.58 and 1,226.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.52 : 3,686.58 = 1,226.61 : x
2. Step 2: Convert to fraction form
   2,459.52/3,686.58 = 1,226.61/x
3. Step 3: Cross multiply
   2,459.52x = 3,686.58 × 1,226.61
4. Step 4: Simplify right side
   2,459.52x = 4,521,995.89
5. Step 5: Solve for x
   x = 4,521,995.89/2,459.52
6. Step 6: Final answer
   x = 1,838.57