Finding the Fourth Proportional to 3,158.15, 4,735.82 and 1,077.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,158.15 : 4,735.82 = 1,077.57 : x
2. Step 2: Convert to fraction form
   3,158.15/4,735.82 = 1,077.57/x
3. Step 3: Cross multiply
   3,158.15x = 4,735.82 × 1,077.57
4. Step 4: Simplify right side
   3,158.15x = 5,103,172.17
5. Step 5: Solve for x
   x = 5,103,172.17/3,158.15
6. Step 6: Final answer
   x = 1,615.88