Finding the Fourth Proportional to 2,103.94, 3,156.05 and 716.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.94 : 3,156.05 = 716.91 : x
2. Step 2: Convert to fraction form
   2,103.94/3,156.05 = 716.91/x
3. Step 3: Cross multiply
   2,103.94x = 3,156.05 × 716.91
4. Step 4: Simplify right side
   2,103.94x = 2,262,603.81
5. Step 5: Solve for x
   x = 2,262,603.81/2,103.94
6. Step 6: Final answer
   x = 1,075.41