Finding the Fourth Proportional to 3,870.42, 5,340.93 and 2,192.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.42 : 5,340.93 = 2,192.18 : x
2. Step 2: Convert to fraction form
   3,870.42/5,340.93 = 2,192.18/x
3. Step 3: Cross multiply
   3,870.42x = 5,340.93 × 2,192.18
4. Step 4: Simplify right side
   3,870.42x = 11,708,253.22
5. Step 5: Solve for x
   x = 11,708,253.22/3,870.42
6. Step 6: Final answer
   x = 3,025.06