Finding the Fourth Proportional to 10,017.15, 15,026.43 and 3,447.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.15 : 15,026.43 = 3,447.96 : x
2. Step 2: Convert to fraction form
   10,017.15/15,026.43 = 3,447.96/x
3. Step 3: Cross multiply
   10,017.15x = 15,026.43 × 3,447.96
4. Step 4: Simplify right side
   10,017.15x = 51,810,529.58
5. Step 5: Solve for x
   x = 51,810,529.58/10,017.15
6. Step 6: Final answer
   x = 5,172.18