Finding the Fourth Proportional to 2,444.55, 3,667.20 and 1,212.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,444.55 : 3,667.20 = 1,212.03 : x
2. Step 2: Convert to fraction form
   2,444.55/3,667.20 = 1,212.03/x
3. Step 3: Cross multiply
   2,444.55x = 3,667.20 × 1,212.03
4. Step 4: Simplify right side
   2,444.55x = 4,444,756.42
5. Step 5: Solve for x
   x = 4,444,756.42/2,444.55
6. Step 6: Final answer
   x = 1,818.23