Finding the Fourth Proportional to 1,544.10, 2,131.55 and 1,073.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,544.10 : 2,131.55 = 1,073.58 : x
2. Step 2: Convert to fraction form
   1,544.10/2,131.55 = 1,073.58/x
3. Step 3: Cross multiply
   1,544.10x = 2,131.55 × 1,073.58
4. Step 4: Simplify right side
   1,544.10x = 2,288,389.45
5. Step 5: Solve for x
   x = 2,288,389.45/1,544.10
6. Step 6: Final answer
   x = 1,482.02