Finding the Fourth Proportional to 42,048.43, 57,966.55 and 33,080.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,048.43 : 57,966.55 = 33,080.38 : x
2. Step 2: Convert to fraction form
   42,048.43/57,966.55 = 33,080.38/x
3. Step 3: Cross multiply
   42,048.43x = 57,966.55 × 33,080.38
4. Step 4: Simplify right side
   42,048.43x = 1,917,555,501.29
5. Step 5: Solve for x
   x = 1,917,555,501.29/42,048.43
6. Step 6: Final answer
   x = 45,603.50