Finding the Fourth Proportional to 3,921.93, 5,412.04 and 2,243.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921.93 : 5,412.04 = 2,243.55 : x
2. Step 2: Convert to fraction form
   3,921.93/5,412.04 = 2,243.55/x
3. Step 3: Cross multiply
   3,921.93x = 5,412.04 × 2,243.55
4. Step 4: Simplify right side
   3,921.93x = 12,142,182.34
5. Step 5: Solve for x
   x = 12,142,182.34/3,921.93
6. Step 6: Final answer
   x = 3,095.97