Finding the Fourth Proportional to 22,595.76, 31,182.56 and 13,164.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,595.76 : 31,182.56 = 13,164.96 : x
2. Step 2: Convert to fraction form
   22,595.76/31,182.56 = 13,164.96/x
3. Step 3: Cross multiply
   22,595.76x = 31,182.56 × 13,164.96
4. Step 4: Simplify right side
   22,595.76x = 410,517,155.10
5. Step 5: Solve for x
   x = 410,517,155.10/22,595.76
6. Step 6: Final answer
   x = 18,167.88