Finding the Fourth Proportional to 2,405.75, 3,607.91 and 1,019.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.75 : 3,607.91 = 1,019.06 : x
2. Step 2: Convert to fraction form
   2,405.75/3,607.91 = 1,019.06/x
3. Step 3: Cross multiply
   2,405.75x = 3,607.91 × 1,019.06
4. Step 4: Simplify right side
   2,405.75x = 3,676,653.63
5. Step 5: Solve for x
   x = 3,676,653.63/2,405.75
6. Step 6: Final answer
   x = 1,528.28