Finding the Fourth Proportional to 30,986.24, 42,755.73 and 17,554.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,986.24 : 42,755.73 = 17,554.72 : x
2. Step 2: Convert to fraction form
   30,986.24/42,755.73 = 17,554.72/x
3. Step 3: Cross multiply
   30,986.24x = 42,755.73 × 17,554.72
4. Step 4: Simplify right side
   30,986.24x = 750,564,868.55
5. Step 5: Solve for x
   x = 750,564,868.55/30,986.24
6. Step 6: Final answer
   x = 24,222.52