Finding the Fourth Proportional to 10,616.33, 14,654.51 and 7,971.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,616.33 : 14,654.51 = 7,971.38 : x
2. Step 2: Convert to fraction form
   10,616.33/14,654.51 = 7,971.38/x
3. Step 3: Cross multiply
   10,616.33x = 14,654.51 × 7,971.38
4. Step 4: Simplify right side
   10,616.33x = 116,816,554.79
5. Step 5: Solve for x
   x = 116,816,554.79/10,616.33
6. Step 6: Final answer
   x = 11,003.48