Finding the Fourth Proportional to 1,988.69, 2,744.42 and 1,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,988.69 : 2,744.42 = 1,104.50 : x
2. Step 2: Convert to fraction form
   1,988.69/2,744.42 = 1,104.50/x
3. Step 3: Cross multiply
   1,988.69x = 2,744.42 × 1,104.50
4. Step 4: Simplify right side
   1,988.69x = 3,031,213.23
5. Step 5: Solve for x
   x = 3,031,213.23/1,988.69
6. Step 6: Final answer
   x = 1,524.23