Finding the Fourth Proportional to 3,607.02, 4,977.72 and 2,209.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.02 : 4,977.72 = 2,209.50 : x
2. Step 2: Convert to fraction form
   3,607.02/4,977.72 = 2,209.50/x
3. Step 3: Cross multiply
   3,607.02x = 4,977.72 × 2,209.50
4. Step 4: Simplify right side
   3,607.02x = 10,998,272.34
5. Step 5: Solve for x
   x = 10,998,272.34/3,607.02
6. Step 6: Final answer
   x = 3,049.13