Finding the Fourth Proportional to 23,231.37, 32,057.70 and 12,620.77

Step by Step Solution

1. Step 1: Write the proportion equation
   23,231.37 : 32,057.70 = 12,620.77 : x
2. Step 2: Convert to fraction form
   23,231.37/32,057.70 = 12,620.77/x
3. Step 3: Cross multiply
   23,231.37x = 32,057.70 × 12,620.77
4. Step 4: Simplify right side
   23,231.37x = 404,592,858.43
5. Step 5: Solve for x
   x = 404,592,858.43/23,231.37
6. Step 6: Final answer
   x = 17,415.80