Finding the Fourth Proportional to 1,074.16, 1,482.33 and 681.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.16 : 1,482.33 = 681.51 : x
2. Step 2: Convert to fraction form
   1,074.16/1,482.33 = 681.51/x
3. Step 3: Cross multiply
   1,074.16x = 1,482.33 × 681.51
4. Step 4: Simplify right side
   1,074.16x = 1,010,222.72
5. Step 5: Solve for x
   x = 1,010,222.72/1,074.16
6. Step 6: Final answer
   x = 940.48