Finding the Fourth Proportional to 5,930.57, 8,883.55 and 3,457.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,930.57 : 8,883.55 = 3,457.89 : x
2. Step 2: Convert to fraction form
   5,930.57/8,883.55 = 3,457.89/x
3. Step 3: Cross multiply
   5,930.57x = 8,883.55 × 3,457.89
4. Step 4: Simplify right side
   5,930.57x = 30,718,338.71
5. Step 5: Solve for x
   x = 30,718,338.71/5,930.57
6. Step 6: Final answer
   x = 5,179.66