Finding the Fourth Proportional to 30,635.97, 42,267.60 and 17,886.30

Step by Step Solution

1. Step 1: Write the proportion equation
   30,635.97 : 42,267.60 = 17,886.30 : x
2. Step 2: Convert to fraction form
   30,635.97/42,267.60 = 17,886.30/x
3. Step 3: Cross multiply
   30,635.97x = 42,267.60 × 17,886.30
4. Step 4: Simplify right side
   30,635.97x = 756,010,973.88
5. Step 5: Solve for x
   x = 756,010,973.88/30,635.97
6. Step 6: Final answer
   x = 24,677.23