Finding the Fourth Proportional to 10,016.61, 15,028.49 and 4,469.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,016.61 : 15,028.49 = 4,469.46 : x
2. Step 2: Convert to fraction form
   10,016.61/15,028.49 = 4,469.46/x
3. Step 3: Cross multiply
   10,016.61x = 15,028.49 × 4,469.46
4. Step 4: Simplify right side
   10,016.61x = 67,169,212.57
5. Step 5: Solve for x
   x = 67,169,212.57/10,016.61
6. Step 6: Final answer
   x = 6,705.78