Finding the Fourth Proportional to 2,208.34, 3,047.58 and 1,213.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.34 : 3,047.58 = 1,213.71 : x
2. Step 2: Convert to fraction form
   2,208.34/3,047.58 = 1,213.71/x
3. Step 3: Cross multiply
   2,208.34x = 3,047.58 × 1,213.71
4. Step 4: Simplify right side
   2,208.34x = 3,698,878.32
5. Step 5: Solve for x
   x = 3,698,878.32/2,208.34
6. Step 6: Final answer
   x = 1,674.96