Finding the Fourth Proportional to 9,438.11, 14,158.53 and 3,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,438.11 : 14,158.53 = 3,514.50 : x
2. Step 2: Convert to fraction form
   9,438.11/14,158.53 = 3,514.50/x
3. Step 3: Cross multiply
   9,438.11x = 14,158.53 × 3,514.50
4. Step 4: Simplify right side
   9,438.11x = 49,760,065.32
5. Step 5: Solve for x
   x = 49,760,065.32/9,438.11
6. Step 6: Final answer
   x = 5,272.25