Finding the Fourth Proportional to 10,086.56, 15,132.12 and 3,161.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.56 : 15,132.12 = 3,161.12 : x
2. Step 2: Convert to fraction form
   10,086.56/15,132.12 = 3,161.12/x
3. Step 3: Cross multiply
   10,086.56x = 15,132.12 × 3,161.12
4. Step 4: Simplify right side
   10,086.56x = 47,834,447.17
5. Step 5: Solve for x
   x = 47,834,447.17/10,086.56
6. Step 6: Final answer
   x = 4,742.39