Finding the Fourth Proportional to 30,453.96, 42,013.35 and 17,706.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,453.96 : 42,013.35 = 17,706.18 : x
2. Step 2: Convert to fraction form
   30,453.96/42,013.35 = 17,706.18/x
3. Step 3: Cross multiply
   30,453.96x = 42,013.35 × 17,706.18
4. Step 4: Simplify right side
   30,453.96x = 743,895,937.50
5. Step 5: Solve for x
   x = 743,895,937.50/30,453.96
6. Step 6: Final answer
   x = 24,426.90