Finding the Fourth Proportional to 10,514.34, 14,515.71 and 7,288.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,514.34 : 14,515.71 = 7,288.85 : x
2. Step 2: Convert to fraction form
   10,514.34/14,515.71 = 7,288.85/x
3. Step 3: Cross multiply
   10,514.34x = 14,515.71 × 7,288.85
4. Step 4: Simplify right side
   10,514.34x = 105,802,841.79
5. Step 5: Solve for x
   x = 105,802,841.79/10,514.34
6. Step 6: Final answer
   x = 10,062.72