Finding the Fourth Proportional to 2,419.51, 3,338.53 and 1,371.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.51 : 3,338.53 = 1,371.91 : x
2. Step 2: Convert to fraction form
   2,419.51/3,338.53 = 1,371.91/x
3. Step 3: Cross multiply
   2,419.51x = 3,338.53 × 1,371.91
4. Step 4: Simplify right side
   2,419.51x = 4,580,162.69
5. Step 5: Solve for x
   x = 4,580,162.69/2,419.51
6. Step 6: Final answer
   x = 1,893.01