Finding the Fourth Proportional to 16,428.83, 24,647.56 and 8,531.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,428.83 : 24,647.56 = 8,531.87 : x
2. Step 2: Convert to fraction form
   16,428.83/24,647.56 = 8,531.87/x
3. Step 3: Cross multiply
   16,428.83x = 24,647.56 × 8,531.87
4. Step 4: Simplify right side
   16,428.83x = 210,289,654.50
5. Step 5: Solve for x
   x = 210,289,654.50/16,428.83
6. Step 6: Final answer
   x = 12,800.04