Finding the Fourth Proportional to 30,461.96, 42,019.98 and 17,884.28

Step by Step Solution

1. Step 1: Write the proportion equation
   30,461.96 : 42,019.98 = 17,884.28 : x
2. Step 2: Convert to fraction form
   30,461.96/42,019.98 = 17,884.28/x
3. Step 3: Cross multiply
   30,461.96x = 42,019.98 × 17,884.28
4. Step 4: Simplify right side
   30,461.96x = 751,497,087.91
5. Step 5: Solve for x
   x = 751,497,087.91/30,461.96
6. Step 6: Final answer
   x = 24,670.02