Finding the Fourth Proportional to 2,553.45, 3,827.37 and 1,455.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.45 : 3,827.37 = 1,455.41 : x
2. Step 2: Convert to fraction form
   2,553.45/3,827.37 = 1,455.41/x
3. Step 3: Cross multiply
   2,553.45x = 3,827.37 × 1,455.41
4. Step 4: Simplify right side
   2,553.45x = 5,570,373.43
5. Step 5: Solve for x
   x = 5,570,373.43/2,553.45
6. Step 6: Final answer
   x = 2,181.51