Finding the Fourth Proportional to 3,839.10, 5,759.37 and 1,242.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.10 : 5,759.37 = 1,242.06 : x
2. Step 2: Convert to fraction form
   3,839.10/5,759.37 = 1,242.06/x
3. Step 3: Cross multiply
   3,839.10x = 5,759.37 × 1,242.06
4. Step 4: Simplify right side
   3,839.10x = 7,153,483.10
5. Step 5: Solve for x
   x = 7,153,483.10/3,839.10
6. Step 6: Final answer
   x = 1,863.32