Finding the Fourth Proportional to 2,444.10, 3,666.69 and 1,212.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,444.10 : 3,666.69 = 1,212.18 : x
2. Step 2: Convert to fraction form
   2,444.10/3,666.69 = 1,212.18/x
3. Step 3: Cross multiply
   2,444.10x = 3,666.69 × 1,212.18
4. Step 4: Simplify right side
   2,444.10x = 4,444,688.28
5. Step 5: Solve for x
   x = 4,444,688.28/2,444.10
6. Step 6: Final answer
   x = 1,818.54