Finding the Fourth Proportional to 2,419.82, 3,339.54 and 1,372.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.82 : 3,339.54 = 1,372.07 : x
2. Step 2: Convert to fraction form
   2,419.82/3,339.54 = 1,372.07/x
3. Step 3: Cross multiply
   2,419.82x = 3,339.54 × 1,372.07
4. Step 4: Simplify right side
   2,419.82x = 4,582,082.65
5. Step 5: Solve for x
   x = 4,582,082.65/2,419.82
6. Step 6: Final answer
   x = 1,893.56