Finding the Fourth Proportional to 1,839.24, 2,537.88 and 1,131.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.24 : 2,537.88 = 1,131.42 : x
2. Step 2: Convert to fraction form
   1,839.24/2,537.88 = 1,131.42/x
3. Step 3: Cross multiply
   1,839.24x = 2,537.88 × 1,131.42
4. Step 4: Simplify right side
   1,839.24x = 2,871,408.19
5. Step 5: Solve for x
   x = 2,871,408.19/1,839.24
6. Step 6: Final answer
   x = 1,561.19