Finding the Fourth Proportional to 11,642.46, 16,062.60 and 7,667.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,642.46 : 16,062.60 = 7,667.61 : x
2. Step 2: Convert to fraction form
   11,642.46/16,062.60 = 7,667.61/x
3. Step 3: Cross multiply
   11,642.46x = 16,062.60 × 7,667.61
4. Step 4: Simplify right side
   11,642.46x = 123,161,752.39
5. Step 5: Solve for x
   x = 123,161,752.39/11,642.46
6. Step 6: Final answer
   x = 10,578.67