Finding the Fourth Proportional to 10,953.21, 16,432.55 and 3,162.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,953.21 : 16,432.55 = 3,162.03 : x
2. Step 2: Convert to fraction form
   10,953.21/16,432.55 = 3,162.03/x
3. Step 3: Cross multiply
   10,953.21x = 16,432.55 × 3,162.03
4. Step 4: Simplify right side
   10,953.21x = 51,960,150.50
5. Step 5: Solve for x
   x = 51,960,150.50/10,953.21
6. Step 6: Final answer
   x = 4,743.83