Finding the Fourth Proportional to 30,880.04, 42,613.88 and 17,451

Step by Step Solution

1. Step 1: Write the proportion equation
   30,880.04 : 42,613.88 = 17,451 : x
2. Step 2: Convert to fraction form
   30,880.04/42,613.88 = 17,451/x
3. Step 3: Cross multiply
   30,880.04x = 42,613.88 × 17,451
4. Step 4: Simplify right side
   30,880.04x = 743,654,819.88
5. Step 5: Solve for x
   x = 743,654,819.88/30,880.04
6. Step 6: Final answer
   x = 24,082.05