Finding the Fourth Proportional to 17,019.74, 25,510.70 and 12,846.22

Step by Step Solution

1. Step 1: Write the proportion equation
   17,019.74 : 25,510.70 = 12,846.22 : x
2. Step 2: Convert to fraction form
   17,019.74/25,510.70 = 12,846.22/x
3. Step 3: Cross multiply
   17,019.74x = 25,510.70 × 12,846.22
4. Step 4: Simplify right side
   17,019.74x = 327,716,064.55
5. Step 5: Solve for x
   x = 327,716,064.55/17,019.74
6. Step 6: Final answer
   x = 19,255.06