Finding the Fourth Proportional to 3,870.14, 5,341.41 and 2,277.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.14 : 5,341.41 = 2,277.07 : x
2. Step 2: Convert to fraction form
   3,870.14/5,341.41 = 2,277.07/x
3. Step 3: Cross multiply
   3,870.14x = 5,341.41 × 2,277.07
4. Step 4: Simplify right side
   3,870.14x = 12,162,751.12
5. Step 5: Solve for x
   x = 12,162,751.12/3,870.14
6. Step 6: Final answer
   x = 3,142.72