Finding the Fourth Proportional to 6,987.24, 9,642.58 and 3,843.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,987.24 : 9,642.58 = 3,843.42 : x
2. Step 2: Convert to fraction form
   6,987.24/9,642.58 = 3,843.42/x
3. Step 3: Cross multiply
   6,987.24x = 9,642.58 × 3,843.42
4. Step 4: Simplify right side
   6,987.24x = 37,060,484.82
5. Step 5: Solve for x
   x = 37,060,484.82/6,987.24
6. Step 6: Final answer
   x = 5,304.02