Finding the Fourth Proportional to 30,994.56, 42,776.76 and 17,571.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,994.56 : 42,776.76 = 17,571.12 : x
2. Step 2: Convert to fraction form
   30,994.56/42,776.76 = 17,571.12/x
3. Step 3: Cross multiply
   30,994.56x = 42,776.76 × 17,571.12
4. Step 4: Simplify right side
   30,994.56x = 751,635,583.17
5. Step 5: Solve for x
   x = 751,635,583.17/30,994.56
6. Step 6: Final answer
   x = 24,250.56