Finding the Fourth Proportional to 2,459.76, 3,687.69 and 1,226.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.76 : 3,687.69 = 1,226.53 : x
2. Step 2: Convert to fraction form
   2,459.76/3,687.69 = 1,226.53/x
3. Step 3: Cross multiply
   2,459.76x = 3,687.69 × 1,226.53
4. Step 4: Simplify right side
   2,459.76x = 4,523,071.62
5. Step 5: Solve for x
   x = 4,523,071.62/2,459.76
6. Step 6: Final answer
   x = 1,838.83