Finding the Fourth Proportional to 30,684.76, 42,346.50 and 17,260.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,684.76 : 42,346.50 = 17,260.24 : x
2. Step 2: Convert to fraction form
   30,684.76/42,346.50 = 17,260.24/x
3. Step 3: Cross multiply
   30,684.76x = 42,346.50 × 17,260.24
4. Step 4: Simplify right side
   30,684.76x = 730,910,753.16
5. Step 5: Solve for x
   x = 730,910,753.16/30,684.76
6. Step 6: Final answer
   x = 23,819.99