Finding the Fourth Proportional to 10,645.67, 14,676.71 and 7,454.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,645.67 : 14,676.71 = 7,454.67 : x
2. Step 2: Convert to fraction form
   10,645.67/14,676.71 = 7,454.67/x
3. Step 3: Cross multiply
   10,645.67x = 14,676.71 × 7,454.67
4. Step 4: Simplify right side
   10,645.67x = 109,409,992.46
5. Step 5: Solve for x
   x = 109,409,992.46/10,645.67
6. Step 6: Final answer
   x = 10,277.42