Finding the Fourth Proportional to 6,987.96, 9,643.37 and 3,844.13

Step by Step Solution

1. Step 1: Write the proportion equation
   6,987.96 : 9,643.37 = 3,844.13 : x
2. Step 2: Convert to fraction form
   6,987.96/9,643.37 = 3,844.13/x
3. Step 3: Cross multiply
   6,987.96x = 9,643.37 × 3,844.13
4. Step 4: Simplify right side
   6,987.96x = 37,070,300.48
5. Step 5: Solve for x
   x = 37,070,300.48/6,987.96
6. Step 6: Final answer
   x = 5,304.88