Finding the Fourth Proportional to 4,739.67, 7,109.82 and 1,452.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,739.67 : 7,109.82 = 1,452.78 : x
2. Step 2: Convert to fraction form
   4,739.67/7,109.82 = 1,452.78/x
3. Step 3: Cross multiply
   4,739.67x = 7,109.82 × 1,452.78
4. Step 4: Simplify right side
   4,739.67x = 10,329,004.30
5. Step 5: Solve for x
   x = 10,329,004.30/4,739.67
6. Step 6: Final answer
   x = 2,179.27