Finding the Fourth Proportional to 2,103.49, 3,155.24 and 716.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.49 : 3,155.24 = 716.98 : x
2. Step 2: Convert to fraction form
   2,103.49/3,155.24 = 716.98/x
3. Step 3: Cross multiply
   2,103.49x = 3,155.24 × 716.98
4. Step 4: Simplify right side
   2,103.49x = 2,262,224.61
5. Step 5: Solve for x
   x = 2,262,224.61/2,103.49
6. Step 6: Final answer
   x = 1,075.47