Finding the Fourth Proportional to 53,146.86, 73,340.31 and 30,469.56

Step by Step Solution

1. Step 1: Write the proportion equation
   53,146.86 : 73,340.31 = 30,469.56 : x
2. Step 2: Convert to fraction form
   53,146.86/73,340.31 = 30,469.56/x
3. Step 3: Cross multiply
   53,146.86x = 73,340.31 × 30,469.56
4. Step 4: Simplify right side
   53,146.86x = 2,234,646,975.96
5. Step 5: Solve for x
   x = 2,234,646,975.96/53,146.86
6. Step 6: Final answer
   x = 42,046.64