Finding the Fourth Proportional to 1,353.41, 1,861.84 and 1,104.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353.41 : 1,861.84 = 1,104.18 : x
2. Step 2: Convert to fraction form
   1,353.41/1,861.84 = 1,104.18/x
3. Step 3: Cross multiply
   1,353.41x = 1,861.84 × 1,104.18
4. Step 4: Simplify right side
   1,353.41x = 2,055,797.18
5. Step 5: Solve for x
   x = 2,055,797.18/1,353.41
6. Step 6: Final answer
   x = 1,518.98