Finding the Fourth Proportional to 6,676.34, 10,017.62 and 2,978.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,676.34 : 10,017.62 = 2,978.18 : x
2. Step 2: Convert to fraction form
   6,676.34/10,017.62 = 2,978.18/x
3. Step 3: Cross multiply
   6,676.34x = 10,017.62 × 2,978.18
4. Step 4: Simplify right side
   6,676.34x = 29,834,332.39
5. Step 5: Solve for x
   x = 29,834,332.39/6,676.34
6. Step 6: Final answer
   x = 4,468.67