Finding the Fourth Proportional to 2,209.56, 3,047.59 and 1,370.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.56 : 3,047.59 = 1,370.74 : x
2. Step 2: Convert to fraction form
   2,209.56/3,047.59 = 1,370.74/x
3. Step 3: Cross multiply
   2,209.56x = 3,047.59 × 1,370.74
4. Step 4: Simplify right side
   2,209.56x = 4,177,453.52
5. Step 5: Solve for x
   x = 4,177,453.52/2,209.56
6. Step 6: Final answer
   x = 1,890.63