Finding the Fourth Proportional to 1,738.42, 2,399.81 and 1,109.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.42 : 2,399.81 = 1,109.80 : x
2. Step 2: Convert to fraction form
   1,738.42/2,399.81 = 1,109.80/x
3. Step 3: Cross multiply
   1,738.42x = 2,399.81 × 1,109.80
4. Step 4: Simplify right side
   1,738.42x = 2,663,309.14
5. Step 5: Solve for x
   x = 2,663,309.14/1,738.42
6. Step 6: Final answer
   x = 1,532.03