Finding the Fourth Proportional to 10,019.42, 15,028.11 and 3,446.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.42 : 15,028.11 = 3,446.06 : x
2. Step 2: Convert to fraction form
   10,019.42/15,028.11 = 3,446.06/x
3. Step 3: Cross multiply
   10,019.42x = 15,028.11 × 3,446.06
4. Step 4: Simplify right side
   10,019.42x = 51,787,806.32
5. Step 5: Solve for x
   x = 51,787,806.32/10,019.42
6. Step 6: Final answer
   x = 5,168.75