Finding the Fourth Proportional to 6,987.30, 10,472.37 and 3,284.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,987.30 : 10,472.37 = 3,284.56 : x
2. Step 2: Convert to fraction form
   6,987.30/10,472.37 = 3,284.56/x
3. Step 3: Cross multiply
   6,987.30x = 10,472.37 × 3,284.56
4. Step 4: Simplify right side
   6,987.30x = 34,397,127.61
5. Step 5: Solve for x
   x = 34,397,127.61/6,987.30
6. Step 6: Final answer
   x = 4,922.81