Finding the Fourth Proportional to 6,814.68, 9,404.21 and 3,981.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,814.68 : 9,404.21 = 3,981.98 : x
2. Step 2: Convert to fraction form
   6,814.68/9,404.21 = 3,981.98/x
3. Step 3: Cross multiply
   6,814.68x = 9,404.21 × 3,981.98
4. Step 4: Simplify right side
   6,814.68x = 37,447,309.20
5. Step 5: Solve for x
   x = 37,447,309.20/6,814.68
6. Step 6: Final answer
   x = 5,495.09