Finding the Fourth Proportional to 30,981.21, 42,744.93 and 17,552.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,981.21 : 42,744.93 = 17,552.18 : x
2. Step 2: Convert to fraction form
   30,981.21/42,744.93 = 17,552.18/x
3. Step 3: Cross multiply
   30,981.21x = 42,744.93 × 17,552.18
4. Step 4: Simplify right side
   30,981.21x = 750,266,491.72
5. Step 5: Solve for x
   x = 750,266,491.72/30,981.21
6. Step 6: Final answer
   x = 24,216.82