Finding the Fourth Proportional to 30,636.03, 42,279.96 and 17,208.09

Step by Step Solution

1. Step 1: Write the proportion equation
   30,636.03 : 42,279.96 = 17,208.09 : x
2. Step 2: Convert to fraction form
   30,636.03/42,279.96 = 17,208.09/x
3. Step 3: Cross multiply
   30,636.03x = 42,279.96 × 17,208.09
4. Step 4: Simplify right side
   30,636.03x = 727,557,356.88
5. Step 5: Solve for x
   x = 727,557,356.88/30,636.03
6. Step 6: Final answer
   x = 23,748.42