Finding the Fourth Proportional to 22,610.69, 31,204.73 and 13,179.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,610.69 : 31,204.73 = 13,179.05 : x
2. Step 2: Convert to fraction form
   22,610.69/31,204.73 = 13,179.05/x
3. Step 3: Cross multiply
   22,610.69x = 31,204.73 × 13,179.05
4. Step 4: Simplify right side
   22,610.69x = 411,248,631.01
5. Step 5: Solve for x
   x = 411,248,631.01/22,610.69
6. Step 6: Final answer
   x = 18,188.24