Finding the Fourth Proportional to 10,953, 16,429.59 and 3,161.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,953 : 16,429.59 = 3,161.88 : x
2. Step 2: Convert to fraction form
   10,953/16,429.59 = 3,161.88/x
3. Step 3: Cross multiply
   10,953x = 16,429.59 × 3,161.88
4. Step 4: Simplify right side
   10,953x = 51,948,392.03
5. Step 5: Solve for x
   x = 51,948,392.03/10,953
6. Step 6: Final answer
   x = 4,742.85