Finding the Fourth Proportional to 16,780.70, 25,169.15 and 4,300.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,780.70 : 25,169.15 = 4,300.83 : x
2. Step 2: Convert to fraction form
   16,780.70/25,169.15 = 4,300.83/x
3. Step 3: Cross multiply
   16,780.70x = 25,169.15 × 4,300.83
4. Step 4: Simplify right side
   16,780.70x = 108,248,246.15
5. Step 5: Solve for x
   x = 108,248,246.15/16,780.70
6. Step 6: Final answer
   x = 6,450.76