Finding the Fourth Proportional to 10,872.56, 15,010.80 and 7,514.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872.56 : 15,010.80 = 7,514.12 : x
2. Step 2: Convert to fraction form
   10,872.56/15,010.80 = 7,514.12/x
3. Step 3: Cross multiply
   10,872.56x = 15,010.80 × 7,514.12
4. Step 4: Simplify right side
   10,872.56x = 112,792,952.50
5. Step 5: Solve for x
   x = 112,792,952.50/10,872.56
6. Step 6: Final answer
   x = 10,374.09