Finding the Fourth Proportional to 2,270.30, 3,400.68 and 1,098.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.30 : 3,400.68 = 1,098.62 : x
2. Step 2: Convert to fraction form
   2,270.30/3,400.68 = 1,098.62/x
3. Step 3: Cross multiply
   2,270.30x = 3,400.68 × 1,098.62
4. Step 4: Simplify right side
   2,270.30x = 3,736,055.06
5. Step 5: Solve for x
   x = 3,736,055.06/2,270.30
6. Step 6: Final answer
   x = 1,645.62