Finding the Fourth Proportional to 6,100.34, 8,416.06 and 3,978.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,100.34 : 8,416.06 = 3,978.34 : x
2. Step 2: Convert to fraction form
   6,100.34/8,416.06 = 3,978.34/x
3. Step 3: Cross multiply
   6,100.34x = 8,416.06 × 3,978.34
4. Step 4: Simplify right side
   6,100.34x = 33,481,917.15
5. Step 5: Solve for x
   x = 33,481,917.15/6,100.34
6. Step 6: Final answer
   x = 5,488.54