Finding the Fourth Proportional to 10,786.52, 14,840.88 and 8,424.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,786.52 : 14,840.88 = 8,424.56 : x
2. Step 2: Convert to fraction form
   10,786.52/14,840.88 = 8,424.56/x
3. Step 3: Cross multiply
   10,786.52x = 14,840.88 × 8,424.56
4. Step 4: Simplify right side
   10,786.52x = 125,027,884.01
5. Step 5: Solve for x
   x = 125,027,884.01/10,786.52
6. Step 6: Final answer
   x = 11,591.12