Finding the Fourth Proportional to 2,968.56, 4,451.33 and 993.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,968.56 : 4,451.33 = 993.48 : x
2. Step 2: Convert to fraction form
   2,968.56/4,451.33 = 993.48/x
3. Step 3: Cross multiply
   2,968.56x = 4,451.33 × 993.48
4. Step 4: Simplify right side
   2,968.56x = 4,422,307.33
5. Step 5: Solve for x
   x = 4,422,307.33/2,968.56
6. Step 6: Final answer
   x = 1,489.71