Finding the Fourth Proportional to 2,372.56, 3,559.92 and 1,219.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.56 : 3,559.92 = 1,219.12 : x
2. Step 2: Convert to fraction form
   2,372.56/3,559.92 = 1,219.12/x
3. Step 3: Cross multiply
   2,372.56x = 3,559.92 × 1,219.12
4. Step 4: Simplify right side
   2,372.56x = 4,339,969.67
5. Step 5: Solve for x
   x = 4,339,969.67/2,372.56
6. Step 6: Final answer
   x = 1,829.23