Finding the Fourth Proportional to 3,469.56, 4,786.47 and 2,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,469.56 : 4,786.47 = 2,071.50 : x
2. Step 2: Convert to fraction form
   3,469.56/4,786.47 = 2,071.50/x
3. Step 3: Cross multiply
   3,469.56x = 4,786.47 × 2,071.50
4. Step 4: Simplify right side
   3,469.56x = 9,915,172.61
5. Step 5: Solve for x
   x = 9,915,172.61/3,469.56
6. Step 6: Final answer
   x = 2,857.76