Finding the Fourth Proportional to 2,419.88, 3,339.43 and 1,372.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.88 : 3,339.43 = 1,372.01 : x
2. Step 2: Convert to fraction form
   2,419.88/3,339.43 = 1,372.01/x
3. Step 3: Cross multiply
   2,419.88x = 3,339.43 × 1,372.01
4. Step 4: Simplify right side
   2,419.88x = 4,581,711.23
5. Step 5: Solve for x
   x = 4,581,711.23/2,419.88
6. Step 6: Final answer
   x = 1,893.37