Finding the Fourth Proportional to 16,408.98, 24,570.72 and 10,845.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,408.98 : 24,570.72 = 10,845.36 : x
2. Step 2: Convert to fraction form
   16,408.98/24,570.72 = 10,845.36/x
3. Step 3: Cross multiply
   16,408.98x = 24,570.72 × 10,845.36
4. Step 4: Simplify right side
   16,408.98x = 266,478,303.86
5. Step 5: Solve for x
   x = 266,478,303.86/16,408.98
6. Step 6: Final answer
   x = 16,239.78