Finding the Fourth Proportional to 2,748.29, 3,791.72 and 1,553.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.29 : 3,791.72 = 1,553.11 : x
2. Step 2: Convert to fraction form
   2,748.29/3,791.72 = 1,553.11/x
3. Step 3: Cross multiply
   2,748.29x = 3,791.72 × 1,553.11
4. Step 4: Simplify right side
   2,748.29x = 5,888,958.25
5. Step 5: Solve for x
   x = 5,888,958.25/2,748.29
6. Step 6: Final answer
   x = 2,142.77