Finding the Fourth Proportional to 30,648.38, 42,294.47 and 17,036.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,648.38 : 42,294.47 = 17,036.06 : x
2. Step 2: Convert to fraction form
   30,648.38/42,294.47 = 17,036.06/x
3. Step 3: Cross multiply
   30,648.38x = 42,294.47 × 17,036.06
4. Step 4: Simplify right side
   30,648.38x = 720,531,043.41
5. Step 5: Solve for x
   x = 720,531,043.41/30,648.38
6. Step 6: Final answer
   x = 23,509.60