Finding the Fourth Proportional to 23,781.88, 32,819 and 13,171.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,781.88 : 32,819 = 13,171.52 : x
2. Step 2: Convert to fraction form
   23,781.88/32,819 = 13,171.52/x
3. Step 3: Cross multiply
   23,781.88x = 32,819 × 13,171.52
4. Step 4: Simplify right side
   23,781.88x = 432,276,114.88
5. Step 5: Solve for x
   x = 432,276,114.88/23,781.88
6. Step 6: Final answer
   x = 18,176.70