Finding the Fourth Proportional to 8,740.54, 13,103.88 and 4,579.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,740.54 : 13,103.88 = 4,579.75 : x
2. Step 2: Convert to fraction form
   8,740.54/13,103.88 = 4,579.75/x
3. Step 3: Cross multiply
   8,740.54x = 13,103.88 × 4,579.75
4. Step 4: Simplify right side
   8,740.54x = 60,012,494.43
5. Step 5: Solve for x
   x = 60,012,494.43/8,740.54
6. Step 6: Final answer
   x = 6,865.99