Finding the Fourth Proportional to 30,944.39, 42,701.01 and 17,517.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,944.39 : 42,701.01 = 17,517.15 : x
2. Step 2: Convert to fraction form
   30,944.39/42,701.01 = 17,517.15/x
3. Step 3: Cross multiply
   30,944.39x = 42,701.01 × 17,517.15
4. Step 4: Simplify right side
   30,944.39x = 747,999,997.32
5. Step 5: Solve for x
   x = 747,999,997.32/30,944.39
6. Step 6: Final answer
   x = 24,172.40