Finding the Fourth Proportional to 12,697.35, 19,050.58 and 5,676.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,697.35 : 19,050.58 = 5,676.77 : x
2. Step 2: Convert to fraction form
   12,697.35/19,050.58 = 5,676.77/x
3. Step 3: Cross multiply
   12,697.35x = 19,050.58 × 5,676.77
4. Step 4: Simplify right side
   12,697.35x = 108,145,815.75
5. Step 5: Solve for x
   x = 108,145,815.75/12,697.35
6. Step 6: Final answer
   x = 8,517.20