Finding the Fourth Proportional to 3,155.82, 4,355.12 and 1,758.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,155.82 : 4,355.12 = 1,758.57 : x
2. Step 2: Convert to fraction form
   3,155.82/4,355.12 = 1,758.57/x
3. Step 3: Cross multiply
   3,155.82x = 4,355.12 × 1,758.57
4. Step 4: Simplify right side
   3,155.82x = 7,658,783.38
5. Step 5: Solve for x
   x = 7,658,783.38/3,155.82
6. Step 6: Final answer
   x = 2,426.88