Finding the Fourth Proportional to 30,898.56, 42,646.35 and 17,470.38

Step by Step Solution

1. Step 1: Write the proportion equation
   30,898.56 : 42,646.35 = 17,470.38 : x
2. Step 2: Convert to fraction form
   30,898.56/42,646.35 = 17,470.38/x
3. Step 3: Cross multiply
   30,898.56x = 42,646.35 × 17,470.38
4. Step 4: Simplify right side
   30,898.56x = 745,047,940.11
5. Step 5: Solve for x
   x = 745,047,940.11/30,898.56
6. Step 6: Final answer
   x = 24,112.71