Finding the Fourth Proportional to 2,208.62, 3,047.98 and 1,213.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.62 : 3,047.98 = 1,213.98 : x
2. Step 2: Convert to fraction form
   2,208.62/3,047.98 = 1,213.98/x
3. Step 3: Cross multiply
   2,208.62x = 3,047.98 × 1,213.98
4. Step 4: Simplify right side
   2,208.62x = 3,700,186.76
5. Step 5: Solve for x
   x = 3,700,186.76/2,208.62
6. Step 6: Final answer
   x = 1,675.34