Finding the Fourth Proportional to 22,610.60, 31,196.31 and 13,177.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,610.60 : 31,196.31 = 13,177.34 : x
2. Step 2: Convert to fraction form
   22,610.60/31,196.31 = 13,177.34/x
3. Step 3: Cross multiply
   22,610.60x = 31,196.31 × 13,177.34
4. Step 4: Simplify right side
   22,610.60x = 411,084,383.62
5. Step 5: Solve for x
   x = 411,084,383.62/22,610.60
6. Step 6: Final answer
   x = 18,181.05