Finding the Fourth Proportional to 2,419.56, 3,629.43 and 1,187.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.56 : 3,629.43 = 1,187.96 : x
2. Step 2: Convert to fraction form
   2,419.56/3,629.43 = 1,187.96/x
3. Step 3: Cross multiply
   2,419.56x = 3,629.43 × 1,187.96
4. Step 4: Simplify right side
   2,419.56x = 4,311,599.52
5. Step 5: Solve for x
   x = 4,311,599.52/2,419.56
6. Step 6: Final answer
   x = 1,781.98