Finding the Fourth Proportional to 2,445.59, 3,665.15 and 1,144.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.59 : 3,665.15 = 1,144.33 : x
2. Step 2: Convert to fraction form
   2,445.59/3,665.15 = 1,144.33/x
3. Step 3: Cross multiply
   2,445.59x = 3,665.15 × 1,144.33
4. Step 4: Simplify right side
   2,445.59x = 4,194,130.51
5. Step 5: Solve for x
   x = 4,194,130.51/2,445.59
6. Step 6: Final answer
   x = 1,714.98