Finding the Fourth Proportional to 1,798.52, 2,481.98 and 1,012.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,798.52 : 2,481.98 = 1,012.56 : x
2. Step 2: Convert to fraction form
   1,798.52/2,481.98 = 1,012.56/x
3. Step 3: Cross multiply
   1,798.52x = 2,481.98 × 1,012.56
4. Step 4: Simplify right side
   1,798.52x = 2,513,153.67
5. Step 5: Solve for x
   x = 2,513,153.67/1,798.52
6. Step 6: Final answer
   x = 1,397.35