Finding the Fourth Proportional to 10,958, 15,122.04 and 5,990

Step by Step Solution

1. Step 1: Write the proportion equation
   10,958 : 15,122.04 = 5,990 : x
2. Step 2: Convert to fraction form
   10,958/15,122.04 = 5,990/x
3. Step 3: Cross multiply
   10,958x = 15,122.04 × 5,990
4. Step 4: Simplify right side
   10,958x = 90,581,019.60
5. Step 5: Solve for x
   x = 90,581,019.60/10,958
6. Step 6: Final answer
   x = 8,266.20