Finding the Fourth Proportional to 2,405.07, 3,607.98 and 1,018.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.07 : 3,607.98 = 1,018.41 : x
2. Step 2: Convert to fraction form
   2,405.07/3,607.98 = 1,018.41/x
3. Step 3: Cross multiply
   2,405.07x = 3,607.98 × 1,018.41
4. Step 4: Simplify right side
   2,405.07x = 3,674,410.15
5. Step 5: Solve for x
   x = 3,674,410.15/2,405.07
6. Step 6: Final answer
   x = 1,527.78