Finding the Fourth Proportional to 10,955.41, 16,435.71 and 3,559.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,955.41 : 16,435.71 = 3,559.87 : x
2. Step 2: Convert to fraction form
   10,955.41/16,435.71 = 3,559.87/x
3. Step 3: Cross multiply
   10,955.41x = 16,435.71 × 3,559.87
4. Step 4: Simplify right side
   10,955.41x = 58,508,990.96
5. Step 5: Solve for x
   x = 58,508,990.96/10,955.41
6. Step 6: Final answer
   x = 5,340.65