Finding the Fourth Proportional to 10,131.14, 13,979.38 and 5,654.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.14 : 13,979.38 = 5,654.68 : x
2. Step 2: Convert to fraction form
   10,131.14/13,979.38 = 5,654.68/x
3. Step 3: Cross multiply
   10,131.14x = 13,979.38 × 5,654.68
4. Step 4: Simplify right side
   10,131.14x = 79,048,920.50
5. Step 5: Solve for x
   x = 79,048,920.50/10,131.14
6. Step 6: Final answer
   x = 7,802.57