Finding the Fourth Proportional to 2,405.69, 3,605.80 and 1,018.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.69 : 3,605.80 = 1,018.16 : x
2. Step 2: Convert to fraction form
   2,405.69/3,605.80 = 1,018.16/x
3. Step 3: Cross multiply
   2,405.69x = 3,605.80 × 1,018.16
4. Step 4: Simplify right side
   2,405.69x = 3,671,274.28
5. Step 5: Solve for x
   x = 3,671,274.28/2,405.69
6. Step 6: Final answer
   x = 1,526.08