Finding the Fourth Proportional to 2,255.63, 3,383.98 and 716.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.63 : 3,383.98 = 716.63 : x
2. Step 2: Convert to fraction form
   2,255.63/3,383.98 = 716.63/x
3. Step 3: Cross multiply
   2,255.63x = 3,383.98 × 716.63
4. Step 4: Simplify right side
   2,255.63x = 2,425,061.59
5. Step 5: Solve for x
   x = 2,425,061.59/2,255.63
6. Step 6: Final answer
   x = 1,075.11