Finding the Fourth Proportional to 830.06, 1,144.73 and 681.82

Step by Step Solution

1. Step 1: Write the proportion equation
   830.06 : 1,144.73 = 681.82 : x
2. Step 2: Convert to fraction form
   830.06/1,144.73 = 681.82/x
3. Step 3: Cross multiply
   830.06x = 1,144.73 × 681.82
4. Step 4: Simplify right side
   830.06x = 780,499.81
5. Step 5: Solve for x
   x = 780,499.81/830.06
6. Step 6: Final answer
   x = 940.29