Finding the Fourth Proportional to 30,443.84, 42,010.81 and 17,012.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,443.84 : 42,010.81 = 17,012.42 : x
2. Step 2: Convert to fraction form
   30,443.84/42,010.81 = 17,012.42/x
3. Step 3: Cross multiply
   30,443.84x = 42,010.81 × 17,012.42
4. Step 4: Simplify right side
   30,443.84x = 714,705,544.26
5. Step 5: Solve for x
   x = 714,705,544.26/30,443.84
6. Step 6: Final answer
   x = 23,476.20