Finding the Fourth Proportional to 3,607.32, 4,978.18 and 2,209.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.32 : 4,978.18 = 2,209.26 : x
2. Step 2: Convert to fraction form
   3,607.32/4,978.18 = 2,209.26/x
3. Step 3: Cross multiply
   3,607.32x = 4,978.18 × 2,209.26
4. Step 4: Simplify right side
   3,607.32x = 10,998,093.95
5. Step 5: Solve for x
   x = 10,998,093.95/3,607.32
6. Step 6: Final answer
   x = 3,048.83