Finding the Fourth Proportional to 2,875.82, 3,967.40 and 1,879.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.82 : 3,967.40 = 1,879.37 : x
2. Step 2: Convert to fraction form
   2,875.82/3,967.40 = 1,879.37/x
3. Step 3: Cross multiply
   2,875.82x = 3,967.40 × 1,879.37
4. Step 4: Simplify right side
   2,875.82x = 7,456,212.54
5. Step 5: Solve for x
   x = 7,456,212.54/2,875.82
6. Step 6: Final answer
   x = 2,592.73