Finding the Fourth Proportional to 10,131.27, 13,979.75 and 5,654.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.27 : 13,979.75 = 5,654.60 : x
2. Step 2: Convert to fraction form
   10,131.27/13,979.75 = 5,654.60/x
3. Step 3: Cross multiply
   10,131.27x = 13,979.75 × 5,654.60
4. Step 4: Simplify right side
   10,131.27x = 79,049,894.35
5. Step 5: Solve for x
   x = 79,049,894.35/10,131.27
6. Step 6: Final answer
   x = 7,802.57