Finding the Fourth Proportional to 10,560.53, 14,579.59 and 7,886.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,560.53 : 14,579.59 = 7,886.49 : x
2. Step 2: Convert to fraction form
   10,560.53/14,579.59 = 7,886.49/x
3. Step 3: Cross multiply
   10,560.53x = 14,579.59 × 7,886.49
4. Step 4: Simplify right side
   10,560.53x = 114,981,745.92
5. Step 5: Solve for x
   x = 114,981,745.92/10,560.53
6. Step 6: Final answer
   x = 10,887.88