Finding the Fourth Proportional to 2,387.44, 3,577.52 and 1,153.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.44 : 3,577.52 = 1,153.37 : x
2. Step 2: Convert to fraction form
   2,387.44/3,577.52 = 1,153.37/x
3. Step 3: Cross multiply
   2,387.44x = 3,577.52 × 1,153.37
4. Step 4: Simplify right side
   2,387.44x = 4,126,180.59
5. Step 5: Solve for x
   x = 4,126,180.59/2,387.44
6. Step 6: Final answer
   x = 1,728.29