Finding the Fourth Proportional to 6,978.74, 10,470.38 and 3,281.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.74 : 10,470.38 = 3,281.33 : x
2. Step 2: Convert to fraction form
   6,978.74/10,470.38 = 3,281.33/x
3. Step 3: Cross multiply
   6,978.74x = 10,470.38 × 3,281.33
4. Step 4: Simplify right side
   6,978.74x = 34,356,781.77
5. Step 5: Solve for x
   x = 34,356,781.77/6,978.74
6. Step 6: Final answer
   x = 4,923.07