Finding the Fourth Proportional to 1,798.67, 2,482.16 and 1,012.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,798.67 : 2,482.16 = 1,012.72 : x
2. Step 2: Convert to fraction form
   1,798.67/2,482.16 = 1,012.72/x
3. Step 3: Cross multiply
   1,798.67x = 2,482.16 × 1,012.72
4. Step 4: Simplify right side
   1,798.67x = 2,513,725.60
5. Step 5: Solve for x
   x = 2,513,725.60/1,798.67
6. Step 6: Final answer
   x = 1,397.55