Finding the Fourth Proportional to 12,995.12, 17,919.42 and 10,474.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,995.12 : 17,919.42 = 10,474.58 : x
2. Step 2: Convert to fraction form
   12,995.12/17,919.42 = 10,474.58/x
3. Step 3: Cross multiply
   12,995.12x = 17,919.42 × 10,474.58
4. Step 4: Simplify right side
   12,995.12x = 187,698,398.34
5. Step 5: Solve for x
   x = 187,698,398.34/12,995.12
6. Step 6: Final answer
   x = 14,443.76