Finding the Fourth Proportional to 3,564, 5,340.15 and 2,518.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564 : 5,340.15 = 2,518.89 : x
2. Step 2: Convert to fraction form
   3,564/5,340.15 = 2,518.89/x
3. Step 3: Cross multiply
   3,564x = 5,340.15 × 2,518.89
4. Step 4: Simplify right side
   3,564x = 13,451,250.43
5. Step 5: Solve for x
   x = 13,451,250.43/3,564
6. Step 6: Final answer
   x = 3,774.20