Finding the Fourth Proportional to 30,646, 42,291.52 and 17,398

Step by Step Solution

1. Step 1: Write the proportion equation
   30,646 : 42,291.52 = 17,398 : x
2. Step 2: Convert to fraction form
   30,646/42,291.52 = 17,398/x
3. Step 3: Cross multiply
   30,646x = 42,291.52 × 17,398
4. Step 4: Simplify right side
   30,646x = 735,787,864.96
5. Step 5: Solve for x
   x = 735,787,864.96/30,646
6. Step 6: Final answer
   x = 24,009.26