Finding the Fourth Proportional to 2,906.71, 4,004.51 and 2,009.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,906.71 : 4,004.51 = 2,009.59 : x
2. Step 2: Convert to fraction form
   2,906.71/4,004.51 = 2,009.59/x
3. Step 3: Cross multiply
   2,906.71x = 4,004.51 × 2,009.59
4. Step 4: Simplify right side
   2,906.71x = 8,047,413.20
5. Step 5: Solve for x
   x = 8,047,413.20/2,906.71
6. Step 6: Final answer
   x = 2,768.56