Finding the Fourth Proportional to 11,332.96, 16,993.60 and 5,087.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,332.96 : 16,993.60 = 5,087.61 : x
2. Step 2: Convert to fraction form
   11,332.96/16,993.60 = 5,087.61/x
3. Step 3: Cross multiply
   11,332.96x = 16,993.60 × 5,087.61
4. Step 4: Simplify right side
   11,332.96x = 86,456,796.58
5. Step 5: Solve for x
   x = 86,456,796.58/11,332.96
6. Step 6: Final answer
   x = 7,628.79