Finding the Fourth Proportional to 30,759.75, 42,448.59 and 17,841.57

Step by Step Solution

1. Step 1: Write the proportion equation
   30,759.75 : 42,448.59 = 17,841.57 : x
2. Step 2: Convert to fraction form
   30,759.75/42,448.59 = 17,841.57/x
3. Step 3: Cross multiply
   30,759.75x = 42,448.59 × 17,841.57
4. Step 4: Simplify right side
   30,759.75x = 757,349,489.89
5. Step 5: Solve for x
   x = 757,349,489.89/30,759.75
6. Step 6: Final answer
   x = 24,621.44