Finding the Fourth Proportional to 10,087.56, 15,133.62 and 3,162.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,087.56 : 15,133.62 = 3,162.12 : x
2. Step 2: Convert to fraction form
   10,087.56/15,133.62 = 3,162.12/x
3. Step 3: Cross multiply
   10,087.56x = 15,133.62 × 3,162.12
4. Step 4: Simplify right side
   10,087.56x = 47,854,322.47
5. Step 5: Solve for x
   x = 47,854,322.47/10,087.56
6. Step 6: Final answer
   x = 4,743.89