Finding the Fourth Proportional to 2,993.89, 4,491.06 and 914.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993.89 : 4,491.06 = 914.07 : x
2. Step 2: Convert to fraction form
   2,993.89/4,491.06 = 914.07/x
3. Step 3: Cross multiply
   2,993.89x = 4,491.06 × 914.07
4. Step 4: Simplify right side
   2,993.89x = 4,105,143.21
5. Step 5: Solve for x
   x = 4,105,143.21/2,993.89
6. Step 6: Final answer
   x = 1,371.17