Finding the Fourth Proportional to 16,285.56, 24,431.58 and 5,191.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,285.56 : 24,431.58 = 5,191.89 : x
2. Step 2: Convert to fraction form
   16,285.56/24,431.58 = 5,191.89/x
3. Step 3: Cross multiply
   16,285.56x = 24,431.58 × 5,191.89
4. Step 4: Simplify right side
   16,285.56x = 126,846,075.89
5. Step 5: Solve for x
   x = 126,846,075.89/16,285.56
6. Step 6: Final answer
   x = 7,788.87