Finding the Fourth Proportional to 23,187.82, 32,083.56 and 20,209.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,187.82 : 32,083.56 = 20,209.86 : x
2. Step 2: Convert to fraction form
   23,187.82/32,083.56 = 20,209.86/x
3. Step 3: Cross multiply
   23,187.82x = 32,083.56 × 20,209.86
4. Step 4: Simplify right side
   23,187.82x = 648,404,255.90
5. Step 5: Solve for x
   x = 648,404,255.90/23,187.82
6. Step 6: Final answer
   x = 27,963.14