Finding the Fourth Proportional to 45,111.48, 62,249.55 and 30,546

Step by Step Solution

1. Step 1: Write the proportion equation
   45,111.48 : 62,249.55 = 30,546 : x
2. Step 2: Convert to fraction form
   45,111.48/62,249.55 = 30,546/x
3. Step 3: Cross multiply
   45,111.48x = 62,249.55 × 30,546
4. Step 4: Simplify right side
   45,111.48x = 1,901,474,754.30
5. Step 5: Solve for x
   x = 1,901,474,754.30/45,111.48
6. Step 6: Final answer
   x = 42,150.57