Finding the Fourth Proportional to 2,870.41, 3,960.57 and 1,877.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.41 : 3,960.57 = 1,877.14 : x
2. Step 2: Convert to fraction form
   2,870.41/3,960.57 = 1,877.14/x
3. Step 3: Cross multiply
   2,870.41x = 3,960.57 × 1,877.14
4. Step 4: Simplify right side
   2,870.41x = 7,434,544.37
5. Step 5: Solve for x
   x = 7,434,544.37/2,870.41
6. Step 6: Final answer
   x = 2,590.06