Finding the Fourth Proportional to 2,538.86, 3,504.70 and 1,544.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.86 : 3,504.70 = 1,544.45 : x
2. Step 2: Convert to fraction form
   2,538.86/3,504.70 = 1,544.45/x
3. Step 3: Cross multiply
   2,538.86x = 3,504.70 × 1,544.45
4. Step 4: Simplify right side
   2,538.86x = 5,412,833.92
5. Step 5: Solve for x
   x = 5,412,833.92/2,538.86
6. Step 6: Final answer
   x = 2,131.99