Finding the Fourth Proportional to 30,994.41, 42,770.88 and 17,564.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,994.41 : 42,770.88 = 17,564.88 : x
2. Step 2: Convert to fraction form
   30,994.41/42,770.88 = 17,564.88/x
3. Step 3: Cross multiply
   30,994.41x = 42,770.88 × 17,564.88
4. Step 4: Simplify right side
   30,994.41x = 751,265,374.69
5. Step 5: Solve for x
   x = 751,265,374.69/30,994.41
6. Step 6: Final answer
   x = 24,238.74