Finding the Fourth Proportional to 3,791.56, 5,689.50 and 3,762.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,791.56 : 5,689.50 = 3,762.28 : x
2. Step 2: Convert to fraction form
   3,791.56/5,689.50 = 3,762.28/x
3. Step 3: Cross multiply
   3,791.56x = 5,689.50 × 3,762.28
4. Step 4: Simplify right side
   3,791.56x = 21,405,492.06
5. Step 5: Solve for x
   x = 21,405,492.06/3,791.56
6. Step 6: Final answer
   x = 5,645.56