Finding the Fourth Proportional to 2,205.14, 3,042.98 and 1,210.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.14 : 3,042.98 = 1,210.46 : x
2. Step 2: Convert to fraction form
   2,205.14/3,042.98 = 1,210.46/x
3. Step 3: Cross multiply
   2,205.14x = 3,042.98 × 1,210.46
4. Step 4: Simplify right side
   2,205.14x = 3,683,384.30
5. Step 5: Solve for x
   x = 3,683,384.30/2,205.14
6. Step 6: Final answer
   x = 1,670.37