Finding the Fourth Proportional to 30,898.93, 42,642.71 and 17,470.31

Step by Step Solution

1. Step 1: Write the proportion equation
   30,898.93 : 42,642.71 = 17,470.31 : x
2. Step 2: Convert to fraction form
   30,898.93/42,642.71 = 17,470.31/x
3. Step 3: Cross multiply
   30,898.93x = 42,642.71 × 17,470.31
4. Step 4: Simplify right side
   30,898.93x = 744,981,362.94
5. Step 5: Solve for x
   x = 744,981,362.94/30,898.93
6. Step 6: Final answer
   x = 24,110.26