Finding the Fourth Proportional to 2,204.61, 3,042.56 and 1,210.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,204.61 : 3,042.56 = 1,210.09 : x
2. Step 2: Convert to fraction form
   2,204.61/3,042.56 = 1,210.09/x
3. Step 3: Cross multiply
   2,204.61x = 3,042.56 × 1,210.09
4. Step 4: Simplify right side
   2,204.61x = 3,681,756.22
5. Step 5: Solve for x
   x = 3,681,756.22/2,204.61
6. Step 6: Final answer
   x = 1,670.03