Finding the Fourth Proportional to 30,997.30, 42,729.78 and 24,271.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,997.30 : 42,729.78 = 24,271.25 : x
2. Step 2: Convert to fraction form
   30,997.30/42,729.78 = 24,271.25/x
3. Step 3: Cross multiply
   30,997.30x = 42,729.78 × 24,271.25
4. Step 4: Simplify right side
   30,997.30x = 1,037,105,290.55
5. Step 5: Solve for x
   x = 1,037,105,290.55/30,997.30
6. Step 6: Final answer
   x = 33,457.92