Finding the Fourth Proportional to 10,665.81, 14,712.17 and 7,676.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.81 : 14,712.17 = 7,676.91 : x
2. Step 2: Convert to fraction form
   10,665.81/14,712.17 = 7,676.91/x
3. Step 3: Cross multiply
   10,665.81x = 14,712.17 × 7,676.91
4. Step 4: Simplify right side
   10,665.81x = 112,943,966.61
5. Step 5: Solve for x
   x = 112,943,966.61/10,665.81
6. Step 6: Final answer
   x = 10,589.35