Finding the Fourth Proportional to 23,189.82, 32,002.54 and 13,117.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,189.82 : 32,002.54 = 13,117.80 : x
2. Step 2: Convert to fraction form
   23,189.82/32,002.54 = 13,117.80/x
3. Step 3: Cross multiply
   23,189.82x = 32,002.54 × 13,117.80
4. Step 4: Simplify right side
   23,189.82x = 419,802,919.21
5. Step 5: Solve for x
   x = 419,802,919.21/23,189.82
6. Step 6: Final answer
   x = 18,102.90