Finding the Fourth Proportional to 9,742.82, 14,514.56 and 9,272.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,742.82 : 14,514.56 = 9,272.61 : x
2. Step 2: Convert to fraction form
   9,742.82/14,514.56 = 9,272.61/x
3. Step 3: Cross multiply
   9,742.82x = 14,514.56 × 9,272.61
4. Step 4: Simplify right side
   9,742.82x = 134,587,842.61
5. Step 5: Solve for x
   x = 134,587,842.61/9,742.82
6. Step 6: Final answer
   x = 13,814.06