Finding the Fourth Proportional to 3,433.25, 5,150.69 and 1,242

Step by Step Solution

1. Step 1: Write the proportion equation
   3,433.25 : 5,150.69 = 1,242 : x
2. Step 2: Convert to fraction form
   3,433.25/5,150.69 = 1,242/x
3. Step 3: Cross multiply
   3,433.25x = 5,150.69 × 1,242
4. Step 4: Simplify right side
   3,433.25x = 6,397,155.43
5. Step 5: Solve for x
   x = 6,397,155.43/3,433.25
6. Step 6: Final answer
   x = 1,863.29