Finding the Fourth Proportional to 23,525.37, 32,464.98 and 12,915

Step by Step Solution

1. Step 1: Write the proportion equation
   23,525.37 : 32,464.98 = 12,915 : x
2. Step 2: Convert to fraction form
   23,525.37/32,464.98 = 12,915/x
3. Step 3: Cross multiply
   23,525.37x = 32,464.98 × 12,915
4. Step 4: Simplify right side
   23,525.37x = 419,285,216.70
5. Step 5: Solve for x
   x = 419,285,216.70/23,525.37
6. Step 6: Final answer
   x = 17,822.68