Finding the Fourth Proportional to 10,636.31, 14,676.83 and 6,159.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,636.31 : 14,676.83 = 6,159.45 : x
2. Step 2: Convert to fraction form
   10,636.31/14,676.83 = 6,159.45/x
3. Step 3: Cross multiply
   10,636.31x = 14,676.83 × 6,159.45
4. Step 4: Simplify right side
   10,636.31x = 90,401,215.94
5. Step 5: Solve for x
   x = 90,401,215.94/10,636.31
6. Step 6: Final answer
   x = 8,499.31