Finding the Fourth Proportional to 3,459.25, 5,189.10 and 994.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,459.25 : 5,189.10 = 994.02 : x
2. Step 2: Convert to fraction form
   3,459.25/5,189.10 = 994.02/x
3. Step 3: Cross multiply
   3,459.25x = 5,189.10 × 994.02
4. Step 4: Simplify right side
   3,459.25x = 5,158,038.27
5. Step 5: Solve for x
   x = 5,158,038.27/3,459.25
6. Step 6: Final answer
   x = 1,491.09