Finding the Fourth Proportional to 23,644.76, 32,631.72 and 13,575.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,644.76 : 32,631.72 = 13,575.15 : x
2. Step 2: Convert to fraction form
   23,644.76/32,631.72 = 13,575.15/x
3. Step 3: Cross multiply
   23,644.76x = 32,631.72 × 13,575.15
4. Step 4: Simplify right side
   23,644.76x = 442,980,493.76
5. Step 5: Solve for x
   x = 442,980,493.76/23,644.76
6. Step 6: Final answer
   x = 18,734.83