Finding the Fourth Proportional to 30,905.26, 42,648.76 and 17,476.09

Step by Step Solution

1. Step 1: Write the proportion equation
   30,905.26 : 42,648.76 = 17,476.09 : x
2. Step 2: Convert to fraction form
   30,905.26/42,648.76 = 17,476.09/x
3. Step 3: Cross multiply
   30,905.26x = 42,648.76 × 17,476.09
4. Step 4: Simplify right side
   30,905.26x = 745,333,568.15
5. Step 5: Solve for x
   x = 745,333,568.15/30,905.26
6. Step 6: Final answer
   x = 24,116.72