Finding the Fourth Proportional to 10,131.12, 13,979.43 and 5,654.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.12 : 13,979.43 = 5,654.97 : x
2. Step 2: Convert to fraction form
   10,131.12/13,979.43 = 5,654.97/x
3. Step 3: Cross multiply
   10,131.12x = 13,979.43 × 5,654.97
4. Step 4: Simplify right side
   10,131.12x = 79,053,257.27
5. Step 5: Solve for x
   x = 79,053,257.27/10,131.12
6. Step 6: Final answer
   x = 7,803.01