Finding the Fourth Proportional to 2,240.26, 3,091.57 and 1,355.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.26 : 3,091.57 = 1,355.84 : x
2. Step 2: Convert to fraction form
   2,240.26/3,091.57 = 1,355.84/x
3. Step 3: Cross multiply
   2,240.26x = 3,091.57 × 1,355.84
4. Step 4: Simplify right side
   2,240.26x = 4,191,667.01
5. Step 5: Solve for x
   x = 4,191,667.01/2,240.26
6. Step 6: Final answer
   x = 1,871.06