Finding the Fourth Proportional to 16,610.86, 24,875.81 and 10,985.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,610.86 : 24,875.81 = 10,985.10 : x
2. Step 2: Convert to fraction form
   16,610.86/24,875.81 = 10,985.10/x
3. Step 3: Cross multiply
   16,610.86x = 24,875.81 × 10,985.10
4. Step 4: Simplify right side
   16,610.86x = 273,263,293.34
5. Step 5: Solve for x
   x = 273,263,293.34/16,610.86
6. Step 6: Final answer
   x = 16,450.89