Finding the Fourth Proportional to 6,978.17, 10,450.85 and 3,272.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.17 : 10,450.85 = 3,272.42 : x
2. Step 2: Convert to fraction form
   6,978.17/10,450.85 = 3,272.42/x
3. Step 3: Cross multiply
   6,978.17x = 10,450.85 × 3,272.42
4. Step 4: Simplify right side
   6,978.17x = 34,199,570.56
5. Step 5: Solve for x
   x = 34,199,570.56/6,978.17
6. Step 6: Final answer
   x = 4,900.94