Finding the Fourth Proportional to 30,489.86, 42,076.18 and 17,061.14

Step by Step Solution

1. Step 1: Write the proportion equation
   30,489.86 : 42,076.18 = 17,061.14 : x
2. Step 2: Convert to fraction form
   30,489.86/42,076.18 = 17,061.14/x
3. Step 3: Cross multiply
   30,489.86x = 42,076.18 × 17,061.14
4. Step 4: Simplify right side
   30,489.86x = 717,867,597.65
5. Step 5: Solve for x
   x = 717,867,597.65/30,489.86
6. Step 6: Final answer
   x = 23,544.47