Finding the Fourth Proportional to 3,930.58, 5,868.59 and 3,536.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,930.58 : 5,868.59 = 3,536.92 : x
2. Step 2: Convert to fraction form
   3,930.58/5,868.59 = 3,536.92/x
3. Step 3: Cross multiply
   3,930.58x = 5,868.59 × 3,536.92
4. Step 4: Simplify right side
   3,930.58x = 20,756,733.34
5. Step 5: Solve for x
   x = 20,756,733.34/3,930.58
6. Step 6: Final answer
   x = 5,280.83