Finding the Fourth Proportional to 2,270.14, 3,131.61 and 1,524.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.14 : 3,131.61 = 1,524.31 : x
2. Step 2: Convert to fraction form
   2,270.14/3,131.61 = 1,524.31/x
3. Step 3: Cross multiply
   2,270.14x = 3,131.61 × 1,524.31
4. Step 4: Simplify right side
   2,270.14x = 4,773,544.44
5. Step 5: Solve for x
   x = 4,773,544.44/2,270.14
6. Step 6: Final answer
   x = 2,102.75