Finding the Fourth Proportional to 3,609.92, 5,404.32 and 3,264.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.92 : 5,404.32 = 3,264.05 : x
2. Step 2: Convert to fraction form
   3,609.92/5,404.32 = 3,264.05/x
3. Step 3: Cross multiply
   3,609.92x = 5,404.32 × 3,264.05
4. Step 4: Simplify right side
   3,609.92x = 17,639,970.70
5. Step 5: Solve for x
   x = 17,639,970.70/3,609.92
6. Step 6: Final answer
   x = 4,886.53