Finding the Fourth Proportional to 6,987.50, 9,642.75 and 3,843.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,987.50 : 9,642.75 = 3,843.98 : x
2. Step 2: Convert to fraction form
   6,987.50/9,642.75 = 3,843.98/x
3. Step 3: Cross multiply
   6,987.50x = 9,642.75 × 3,843.98
4. Step 4: Simplify right side
   6,987.50x = 37,066,538.15
5. Step 5: Solve for x
   x = 37,066,538.15/6,987.50
6. Step 6: Final answer
   x = 5,304.69