Finding the Fourth Proportional to 30,984.21, 42,758.25 and 17,556.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,984.21 : 42,758.25 = 17,556.37 : x
2. Step 2: Convert to fraction form
   30,984.21/42,758.25 = 17,556.37/x
3. Step 3: Cross multiply
   30,984.21x = 42,758.25 × 17,556.37
4. Step 4: Simplify right side
   30,984.21x = 750,679,657.55
5. Step 5: Solve for x
   x = 750,679,657.55/30,984.21
6. Step 6: Final answer
   x = 24,227.81