Finding the Fourth Proportional to 42,091.38, 58,072.55 and 27,947.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,091.38 : 58,072.55 = 27,947.03 : x
2. Step 2: Convert to fraction form
   42,091.38/58,072.55 = 27,947.03/x
3. Step 3: Cross multiply
   42,091.38x = 58,072.55 × 27,947.03
4. Step 4: Simplify right side
   42,091.38x = 1,622,954,866.93
5. Step 5: Solve for x
   x = 1,622,954,866.93/42,091.38
6. Step 6: Final answer
   x = 38,557.89