Finding the Fourth Proportional to 3,636.34, 5,456.46 and 1,445.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.34 : 5,456.46 = 1,445.08 : x
2. Step 2: Convert to fraction form
   3,636.34/5,456.46 = 1,445.08/x
3. Step 3: Cross multiply
   3,636.34x = 5,456.46 × 1,445.08
4. Step 4: Simplify right side
   3,636.34x = 7,885,034.86
5. Step 5: Solve for x
   x = 7,885,034.86/3,636.34
6. Step 6: Final answer
   x = 2,168.40