Finding the Fourth Proportional to 73,404.50, 110,112.24 and 20,818.22

Step by Step Solution

1. Step 1: Write the proportion equation
   73,404.50 : 110,112.24 = 20,818.22 : x
2. Step 2: Convert to fraction form
   73,404.50/110,112.24 = 20,818.22/x
3. Step 3: Cross multiply
   73,404.50x = 110,112.24 × 20,818.22
4. Step 4: Simplify right side
   73,404.50x = 2,292,340,837.01
5. Step 5: Solve for x
   x = 2,292,340,837.01/73,404.50
6. Step 6: Final answer
   x = 31,228.89