Finding the Fourth Proportional to 17,162.42, 25,637.15 and 12,444.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,162.42 : 25,637.15 = 12,444.98 : x
2. Step 2: Convert to fraction form
   17,162.42/25,637.15 = 12,444.98/x
3. Step 3: Cross multiply
   17,162.42x = 25,637.15 × 12,444.98
4. Step 4: Simplify right side
   17,162.42x = 319,053,756.78
5. Step 5: Solve for x
   x = 319,053,756.78/17,162.42
6. Step 6: Final answer
   x = 18,590.25