Finding the Fourth Proportional to 1,806.45, 2,713.77 and 1,191.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806.45 : 2,713.77 = 1,191.35 : x
2. Step 2: Convert to fraction form
   1,806.45/2,713.77 = 1,191.35/x
3. Step 3: Cross multiply
   1,806.45x = 2,713.77 × 1,191.35
4. Step 4: Simplify right side
   1,806.45x = 3,233,049.89
5. Step 5: Solve for x
   x = 3,233,049.89/1,806.45
6. Step 6: Final answer
   x = 1,789.73