Finding the Fourth Proportional to 10,131.89, 15,173.12 and 5,736.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.89 : 15,173.12 = 5,736.02 : x
2. Step 2: Convert to fraction form
   10,131.89/15,173.12 = 5,736.02/x
3. Step 3: Cross multiply
   10,131.89x = 15,173.12 × 5,736.02
4. Step 4: Simplify right side
   10,131.89x = 87,033,258.26
5. Step 5: Solve for x
   x = 87,033,258.26/10,131.89
6. Step 6: Final answer
   x = 8,590.04