Finding the Fourth Proportional to 6,981.69, 9,634.71 and 3,997.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,981.69 : 9,634.71 = 3,997.52 : x
2. Step 2: Convert to fraction form
   6,981.69/9,634.71 = 3,997.52/x
3. Step 3: Cross multiply
   6,981.69x = 9,634.71 × 3,997.52
4. Step 4: Simplify right side
   6,981.69x = 38,514,948.87
5. Step 5: Solve for x
   x = 38,514,948.87/6,981.69
6. Step 6: Final answer
   x = 5,516.56