Finding the Fourth Proportional to 10,019.34, 15,026.22 and 3,443.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.34 : 15,026.22 = 3,443.28 : x
2. Step 2: Convert to fraction form
   10,019.34/15,026.22 = 3,443.28/x
3. Step 3: Cross multiply
   10,019.34x = 15,026.22 × 3,443.28
4. Step 4: Simplify right side
   10,019.34x = 51,739,482.80
5. Step 5: Solve for x
   x = 51,739,482.80/10,019.34
6. Step 6: Final answer
   x = 5,163.96