Finding the Fourth Proportional to 3,886.42, 5,362.86 and 2,314.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.42 : 5,362.86 = 2,314.21 : x
2. Step 2: Convert to fraction form
   3,886.42/5,362.86 = 2,314.21/x
3. Step 3: Cross multiply
   3,886.42x = 5,362.86 × 2,314.21
4. Step 4: Simplify right side
   3,886.42x = 12,410,784.24
5. Step 5: Solve for x
   x = 12,410,784.24/3,886.42
6. Step 6: Final answer
   x = 3,193.37