Finding the Fourth Proportional to 10,086.56, 15,131.58 and 3,847.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.56 : 15,131.58 = 3,847.12 : x
2. Step 2: Convert to fraction form
   10,086.56/15,131.58 = 3,847.12/x
3. Step 3: Cross multiply
   10,086.56x = 15,131.58 × 3,847.12
4. Step 4: Simplify right side
   10,086.56x = 58,213,004.05
5. Step 5: Solve for x
   x = 58,213,004.05/10,086.56
6. Step 6: Final answer
   x = 5,771.34