Finding the Fourth Proportional to 2,538.88, 3,503.47 and 1,544.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.88 : 3,503.47 = 1,544.05 : x
2. Step 2: Convert to fraction form
   2,538.88/3,503.47 = 1,544.05/x
3. Step 3: Cross multiply
   2,538.88x = 3,503.47 × 1,544.05
4. Step 4: Simplify right side
   2,538.88x = 5,409,532.85
5. Step 5: Solve for x
   x = 5,409,532.85/2,538.88
6. Step 6: Final answer
   x = 2,130.68