Finding the Fourth Proportional to 53,057.25, 73,229.40 and 30,411.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,057.25 : 73,229.40 = 30,411.42 : x
2. Step 2: Convert to fraction form
   53,057.25/73,229.40 = 30,411.42/x
3. Step 3: Cross multiply
   53,057.25x = 73,229.40 × 30,411.42
4. Step 4: Simplify right side
   53,057.25x = 2,227,010,039.75
5. Step 5: Solve for x
   x = 2,227,010,039.75/53,057.25
6. Step 6: Final answer
   x = 41,973.72