Finding the Fourth Proportional to 1,798.22, 2,481.59 and 1,012.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,798.22 : 2,481.59 = 1,012.29 : x
2. Step 2: Convert to fraction form
   1,798.22/2,481.59 = 1,012.29/x
3. Step 3: Cross multiply
   1,798.22x = 2,481.59 × 1,012.29
4. Step 4: Simplify right side
   1,798.22x = 2,512,094.95
5. Step 5: Solve for x
   x = 2,512,094.95/1,798.22
6. Step 6: Final answer
   x = 1,396.99