Finding the Fourth Proportional to 1,353.30, 1,865.79 and 1,104.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353.30 : 1,865.79 = 1,104.18 : x
2. Step 2: Convert to fraction form
   1,353.30/1,865.79 = 1,104.18/x
3. Step 3: Cross multiply
   1,353.30x = 1,865.79 × 1,104.18
4. Step 4: Simplify right side
   1,353.30x = 2,060,168.00
5. Step 5: Solve for x
   x = 2,060,168.00/1,353.30
6. Step 6: Final answer
   x = 1,522.33