Finding the Fourth Proportional to 10,131.72, 13,979.52 and 5,880.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.72 : 13,979.52 = 5,880.33 : x
2. Step 2: Convert to fraction form
   10,131.72/13,979.52 = 5,880.33/x
3. Step 3: Cross multiply
   10,131.72x = 13,979.52 × 5,880.33
4. Step 4: Simplify right side
   10,131.72x = 82,204,190.84
5. Step 5: Solve for x
   x = 82,204,190.84/10,131.72
6. Step 6: Final answer
   x = 8,113.55