Finding the Fourth Proportional to 9,662.96, 14,488.84 and 5,154.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662.96 : 14,488.84 = 5,154.45 : x
2. Step 2: Convert to fraction form
   9,662.96/14,488.84 = 5,154.45/x
3. Step 3: Cross multiply
   9,662.96x = 14,488.84 × 5,154.45
4. Step 4: Simplify right side
   9,662.96x = 74,682,001.34
5. Step 5: Solve for x
   x = 74,682,001.34/9,662.96
6. Step 6: Final answer
   x = 7,728.69