Finding the Fourth Proportional to 1,630.41, 2,443.14 and 1,080.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.41 : 2,443.14 = 1,080.62 : x
2. Step 2: Convert to fraction form
   1,630.41/2,443.14 = 1,080.62/x
3. Step 3: Cross multiply
   1,630.41x = 2,443.14 × 1,080.62
4. Step 4: Simplify right side
   1,630.41x = 2,640,105.95
5. Step 5: Solve for x
   x = 2,640,105.95/1,630.41
6. Step 6: Final answer
   x = 1,619.29