Finding the Fourth Proportional to 30,983.21, 42,747.69 and 17,554.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,983.21 : 42,747.69 = 17,554.18 : x
2. Step 2: Convert to fraction form
   30,983.21/42,747.69 = 17,554.18/x
3. Step 3: Cross multiply
   30,983.21x = 42,747.69 × 17,554.18
4. Step 4: Simplify right side
   30,983.21x = 750,400,644.84
5. Step 5: Solve for x
   x = 750,400,644.84/30,983.21
6. Step 6: Final answer
   x = 24,219.59