Finding the Fourth Proportional to 16,285.90, 24,430.59 and 5,189.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,285.90 : 24,430.59 = 5,189.98 : x
2. Step 2: Convert to fraction form
   16,285.90/24,430.59 = 5,189.98/x
3. Step 3: Cross multiply
   16,285.90x = 24,430.59 × 5,189.98
4. Step 4: Simplify right side
   16,285.90x = 126,794,273.49
5. Step 5: Solve for x
   x = 126,794,273.49/16,285.90
6. Step 6: Final answer
   x = 7,785.52