Finding the Fourth Proportional to 53,221.22, 73,451.94 and 30,567.30

Step by Step Solution

1. Step 1: Write the proportion equation
   53,221.22 : 73,451.94 = 30,567.30 : x
2. Step 2: Convert to fraction form
   53,221.22/73,451.94 = 30,567.30/x
3. Step 3: Cross multiply
   53,221.22x = 73,451.94 × 30,567.30
4. Step 4: Simplify right side
   53,221.22x = 2,245,227,485.56
5. Step 5: Solve for x
   x = 2,245,227,485.56/53,221.22
6. Step 6: Final answer
   x = 42,186.70