Finding the Fourth Proportional to 12,662.32, 18,995.88 and 5,262.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,662.32 : 18,995.88 = 5,262.76 : x
2. Step 2: Convert to fraction form
   12,662.32/18,995.88 = 5,262.76/x
3. Step 3: Cross multiply
   12,662.32x = 18,995.88 × 5,262.76
4. Step 4: Simplify right side
   12,662.32x = 99,970,757.43
5. Step 5: Solve for x
   x = 99,970,757.43/12,662.32
6. Step 6: Final answer
   x = 7,895.14