Finding the Fourth Proportional to 30,876.49, 42,608.99 and 17,447.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,876.49 : 42,608.99 = 17,447.46 : x
2. Step 2: Convert to fraction form
   30,876.49/42,608.99 = 17,447.46/x
3. Step 3: Cross multiply
   30,876.49x = 42,608.99 × 17,447.46
4. Step 4: Simplify right side
   30,876.49x = 743,418,532.50
5. Step 5: Solve for x
   x = 743,418,532.50/30,876.49
6. Step 6: Final answer
   x = 24,077.17