Finding the Fourth Proportional to 10,086.48, 15,131.16 and 3,158.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.48 : 15,131.16 = 3,158.64 : x
2. Step 2: Convert to fraction form
   10,086.48/15,131.16 = 3,158.64/x
3. Step 3: Cross multiply
   10,086.48x = 15,131.16 × 3,158.64
4. Step 4: Simplify right side
   10,086.48x = 47,793,887.22
5. Step 5: Solve for x
   x = 47,793,887.22/10,086.48
6. Step 6: Final answer
   x = 4,738.41