Finding the Fourth Proportional to 23,191.32, 32,004.60 and 13,119.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,191.32 : 32,004.60 = 13,119.28 : x
2. Step 2: Convert to fraction form
   23,191.32/32,004.60 = 13,119.28/x
3. Step 3: Cross multiply
   23,191.32x = 32,004.60 × 13,119.28
4. Step 4: Simplify right side
   23,191.32x = 419,877,308.69
5. Step 5: Solve for x
   x = 419,877,308.69/23,191.32
6. Step 6: Final answer
   x = 18,104.93