Finding the Fourth Proportional to 2,452.56, 3,679.38 and 1,299.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.56 : 3,679.38 = 1,299.12 : x
2. Step 2: Convert to fraction form
   2,452.56/3,679.38 = 1,299.12/x
3. Step 3: Cross multiply
   2,452.56x = 3,679.38 × 1,299.12
4. Step 4: Simplify right side
   2,452.56x = 4,779,956.15
5. Step 5: Solve for x
   x = 4,779,956.15/2,452.56
6. Step 6: Final answer
   x = 1,948.97