Finding the Fourth Proportional to 7,104.16, 10,648.48 and 3,641.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,104.16 : 10,648.48 = 3,641.60 : x
2. Step 2: Convert to fraction form
   7,104.16/10,648.48 = 3,641.60/x
3. Step 3: Cross multiply
   7,104.16x = 10,648.48 × 3,641.60
4. Step 4: Simplify right side
   7,104.16x = 38,777,504.77
5. Step 5: Solve for x
   x = 38,777,504.77/7,104.16
6. Step 6: Final answer
   x = 5,458.42