Finding the Fourth Proportional to 2,100.74, 3,147.01 and 1,544.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.74 : 3,147.01 = 1,544.42 : x
2. Step 2: Convert to fraction form
   2,100.74/3,147.01 = 1,544.42/x
3. Step 3: Cross multiply
   2,100.74x = 3,147.01 × 1,544.42
4. Step 4: Simplify right side
   2,100.74x = 4,860,309.19
5. Step 5: Solve for x
   x = 4,860,309.19/2,100.74
6. Step 6: Final answer
   x = 2,313.62