Finding the Fourth Proportional to 10,678.05, 16,011.70 and 3,559.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,678.05 : 16,011.70 = 3,559.76 : x
2. Step 2: Convert to fraction form
   10,678.05/16,011.70 = 3,559.76/x
3. Step 3: Cross multiply
   10,678.05x = 16,011.70 × 3,559.76
4. Step 4: Simplify right side
   10,678.05x = 56,997,780.28
5. Step 5: Solve for x
   x = 56,997,780.28/10,678.05
6. Step 6: Final answer
   x = 5,337.85