Finding the Fourth Proportional to 10,756.32, 14,863.47 and 8,628.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,756.32 : 14,863.47 = 8,628.54 : x
2. Step 2: Convert to fraction form
   10,756.32/14,863.47 = 8,628.54/x
3. Step 3: Cross multiply
   10,756.32x = 14,863.47 × 8,628.54
4. Step 4: Simplify right side
   10,756.32x = 128,250,045.43
5. Step 5: Solve for x
   x = 128,250,045.43/10,756.32
6. Step 6: Final answer
   x = 11,923.23