Finding the Fourth Proportional to 2,748.72, 4,123.98 and 1,104.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.72 : 4,123.98 = 1,104.42 : x
2. Step 2: Convert to fraction form
   2,748.72/4,123.98 = 1,104.42/x
3. Step 3: Cross multiply
   2,748.72x = 4,123.98 × 1,104.42
4. Step 4: Simplify right side
   2,748.72x = 4,554,605.99
5. Step 5: Solve for x
   x = 4,554,605.99/2,748.72
6. Step 6: Final answer
   x = 1,656.99