Finding the Fourth Proportional to 23,190.32, 32,002.65 and 13,118.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,190.32 : 32,002.65 = 13,118.56 : x
2. Step 2: Convert to fraction form
   23,190.32/32,002.65 = 13,118.56/x
3. Step 3: Cross multiply
   23,190.32x = 32,002.65 × 13,118.56
4. Step 4: Simplify right side
   23,190.32x = 419,828,604.18
5. Step 5: Solve for x
   x = 419,828,604.18/23,190.32
6. Step 6: Final answer
   x = 18,103.61