Finding the Fourth Proportional to 2,443.51, 3,371.47 and 1,381.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.51 : 3,371.47 = 1,381.22 : x
2. Step 2: Convert to fraction form
   2,443.51/3,371.47 = 1,381.22/x
3. Step 3: Cross multiply
   2,443.51x = 3,371.47 × 1,381.22
4. Step 4: Simplify right side
   2,443.51x = 4,656,741.79
5. Step 5: Solve for x
   x = 4,656,741.79/2,443.51
6. Step 6: Final answer
   x = 1,905.76