Finding the Fourth Proportional to 10,955.14, 16,430.42 and 3,162.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,955.14 : 16,430.42 = 3,162.12 : x
2. Step 2: Convert to fraction form
   10,955.14/16,430.42 = 3,162.12/x
3. Step 3: Cross multiply
   10,955.14x = 16,430.42 × 3,162.12
4. Step 4: Simplify right side
   10,955.14x = 51,954,959.69
5. Step 5: Solve for x
   x = 51,954,959.69/10,955.14
6. Step 6: Final answer
   x = 4,742.52