Finding the Fourth Proportional to 2,652.48, 3,978.81 and 1,151.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,652.48 : 3,978.81 = 1,151.37 : x
2. Step 2: Convert to fraction form
   2,652.48/3,978.81 = 1,151.37/x
3. Step 3: Cross multiply
   2,652.48x = 3,978.81 × 1,151.37
4. Step 4: Simplify right side
   2,652.48x = 4,581,082.47
5. Step 5: Solve for x
   x = 4,581,082.47/2,652.48
6. Step 6: Final answer
   x = 1,727.09