Finding the Fourth Proportional to 7,936.29, 10,955.57 and 5,555.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,936.29 : 10,955.57 = 5,555.61 : x
2. Step 2: Convert to fraction form
   7,936.29/10,955.57 = 5,555.61/x
3. Step 3: Cross multiply
   7,936.29x = 10,955.57 × 5,555.61
4. Step 4: Simplify right side
   7,936.29x = 60,864,846.47
5. Step 5: Solve for x
   x = 60,864,846.47/7,936.29
6. Step 6: Final answer
   x = 7,669.18