Finding the Fourth Proportional to 10,877.58, 16,311.33 and 3,480.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,877.58 : 16,311.33 = 3,480.39 : x
2. Step 2: Convert to fraction form
   10,877.58/16,311.33 = 3,480.39/x
3. Step 3: Cross multiply
   10,877.58x = 16,311.33 × 3,480.39
4. Step 4: Simplify right side
   10,877.58x = 56,769,789.82
5. Step 5: Solve for x
   x = 56,769,789.82/10,877.58
6. Step 6: Final answer
   x = 5,218.97