Finding the Fourth Proportional to 2,477.07, 3,713.61 and 1,243.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.07 : 3,713.61 = 1,243.83 : x
2. Step 2: Convert to fraction form
   2,477.07/3,713.61 = 1,243.83/x
3. Step 3: Cross multiply
   2,477.07x = 3,713.61 × 1,243.83
4. Step 4: Simplify right side
   2,477.07x = 4,619,099.53
5. Step 5: Solve for x
   x = 4,619,099.53/2,477.07
6. Step 6: Final answer
   x = 1,864.74