Finding the Fourth Proportional to 31,164.20, 43,009.98 and 19,227.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,164.20 : 43,009.98 = 19,227.23 : x
2. Step 2: Convert to fraction form
   31,164.20/43,009.98 = 19,227.23/x
3. Step 3: Cross multiply
   31,164.20x = 43,009.98 × 19,227.23
4. Step 4: Simplify right side
   31,164.20x = 826,962,777.76
5. Step 5: Solve for x
   x = 826,962,777.76/31,164.20
6. Step 6: Final answer
   x = 26,535.67