Finding the Fourth Proportional to 30,698.72, 42,366.68 and 17,269.17

Step by Step Solution

1. Step 1: Write the proportion equation
   30,698.72 : 42,366.68 = 17,269.17 : x
2. Step 2: Convert to fraction form
   30,698.72/42,366.68 = 17,269.17/x
3. Step 3: Cross multiply
   30,698.72x = 42,366.68 × 17,269.17
4. Step 4: Simplify right side
   30,698.72x = 731,637,399.26
5. Step 5: Solve for x
   x = 731,637,399.26/30,698.72
6. Step 6: Final answer
   x = 23,832.83