Finding the Fourth Proportional to 3,065.72, 4,598.55 and 757.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,065.72 : 4,598.55 = 757.22 : x
2. Step 2: Convert to fraction form
   3,065.72/4,598.55 = 757.22/x
3. Step 3: Cross multiply
   3,065.72x = 4,598.55 × 757.22
4. Step 4: Simplify right side
   3,065.72x = 3,482,114.03
5. Step 5: Solve for x
   x = 3,482,114.03/3,065.72
6. Step 6: Final answer
   x = 1,135.82