Finding the Fourth Proportional to 30,744.63, 42,426.75 and 17,315.61

Step by Step Solution

1. Step 1: Write the proportion equation
   30,744.63 : 42,426.75 = 17,315.61 : x
2. Step 2: Convert to fraction form
   30,744.63/42,426.75 = 17,315.61/x
3. Step 3: Cross multiply
   30,744.63x = 42,426.75 × 17,315.61
4. Step 4: Simplify right side
   30,744.63x = 734,644,962.40
5. Step 5: Solve for x
   x = 734,644,962.40/30,744.63
6. Step 6: Final answer
   x = 23,895.07