Finding the Fourth Proportional to 2,553.10, 3,826.44 and 1,090.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.10 : 3,826.44 = 1,090.53 : x
2. Step 2: Convert to fraction form
   2,553.10/3,826.44 = 1,090.53/x
3. Step 3: Cross multiply
   2,553.10x = 3,826.44 × 1,090.53
4. Step 4: Simplify right side
   2,553.10x = 4,172,847.61
5. Step 5: Solve for x
   x = 4,172,847.61/2,553.10
6. Step 6: Final answer
   x = 1,634.43