Finding the Fourth Proportional to 2,402.21, 3,605.12 and 1,104.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.21 : 3,605.12 = 1,104.59 : x
2. Step 2: Convert to fraction form
   2,402.21/3,605.12 = 1,104.59/x
3. Step 3: Cross multiply
   2,402.21x = 3,605.12 × 1,104.59
4. Step 4: Simplify right side
   2,402.21x = 3,982,179.50
5. Step 5: Solve for x
   x = 3,982,179.50/2,402.21
6. Step 6: Final answer
   x = 1,657.71