Finding the Fourth Proportional to 2,209.34, 3,048.90 and 1,201.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.34 : 3,048.90 = 1,201.05 : x
2. Step 2: Convert to fraction form
   2,209.34/3,048.90 = 1,201.05/x
3. Step 3: Cross multiply
   2,209.34x = 3,048.90 × 1,201.05
4. Step 4: Simplify right side
   2,209.34x = 3,661,881.35
5. Step 5: Solve for x
   x = 3,661,881.35/2,209.34
6. Step 6: Final answer
   x = 1,657.45