Finding the Fourth Proportional to 6,667.86, 9,198.59 and 4,310.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667.86 : 9,198.59 = 4,310.76 : x
2. Step 2: Convert to fraction form
   6,667.86/9,198.59 = 4,310.76/x
3. Step 3: Cross multiply
   6,667.86x = 9,198.59 × 4,310.76
4. Step 4: Simplify right side
   6,667.86x = 39,652,892.27
5. Step 5: Solve for x
   x = 39,652,892.27/6,667.86
6. Step 6: Final answer
   x = 5,946.87