Finding the Fourth Proportional to 2,867.51, 3,954.53 and 1,872.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,867.51 : 3,954.53 = 1,872.42 : x
2. Step 2: Convert to fraction form
   2,867.51/3,954.53 = 1,872.42/x
3. Step 3: Cross multiply
   2,867.51x = 3,954.53 × 1,872.42
4. Step 4: Simplify right side
   2,867.51x = 7,404,545.74
5. Step 5: Solve for x
   x = 7,404,545.74/2,867.51
6. Step 6: Final answer
   x = 2,582.23