Finding the Fourth Proportional to 30,898.69, 42,642.37 and 17,470.07

Step by Step Solution

1. Step 1: Write the proportion equation
   30,898.69 : 42,642.37 = 17,470.07 : x
2. Step 2: Convert to fraction form
   30,898.69/42,642.37 = 17,470.07/x
3. Step 3: Cross multiply
   30,898.69x = 42,642.37 × 17,470.07
4. Step 4: Simplify right side
   30,898.69x = 744,965,188.87
5. Step 5: Solve for x
   x = 744,965,188.87/30,898.69
6. Step 6: Final answer
   x = 24,109.93