Finding the Fourth Proportional to 1,806, 2,493.50 and 1,108.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806 : 2,493.50 = 1,108.59 : x
2. Step 2: Convert to fraction form
   1,806/2,493.50 = 1,108.59/x
3. Step 3: Cross multiply
   1,806x = 2,493.50 × 1,108.59
4. Step 4: Simplify right side
   1,806x = 2,764,263.62
5. Step 5: Solve for x
   x = 2,764,263.62/1,806
6. Step 6: Final answer
   x = 1,530.60