Finding the Fourth Proportional to 23,190.37, 32,002.79 and 12,580.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,190.37 : 32,002.79 = 12,580.09 : x
2. Step 2: Convert to fraction form
   23,190.37/32,002.79 = 12,580.09/x
3. Step 3: Cross multiply
   23,190.37x = 32,002.79 × 12,580.09
4. Step 4: Simplify right side
   23,190.37x = 402,597,835.54
5. Step 5: Solve for x
   x = 402,597,835.54/23,190.37
6. Step 6: Final answer
   x = 17,360.56