Finding the Fourth Proportional to 10,645.67, 14,689.91 and 6,170.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,645.67 : 14,689.91 = 6,170.83 : x
2. Step 2: Convert to fraction form
   10,645.67/14,689.91 = 6,170.83/x
3. Step 3: Cross multiply
   10,645.67x = 14,689.91 × 6,170.83
4. Step 4: Simplify right side
   10,645.67x = 90,648,833.02
5. Step 5: Solve for x
   x = 90,648,833.02/10,645.67
6. Step 6: Final answer
   x = 8,515.09