Finding the Fourth Proportional to 2,240.37, 3,091.25 and 1,356

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.37 : 3,091.25 = 1,356 : x
2. Step 2: Convert to fraction form
   2,240.37/3,091.25 = 1,356/x
3. Step 3: Cross multiply
   2,240.37x = 3,091.25 × 1,356
4. Step 4: Simplify right side
   2,240.37x = 4,191,728.22
5. Step 5: Solve for x
   x = 4,191,728.22/2,240.37
6. Step 6: Final answer
   x = 1,871.00