Finding the Fourth Proportional to 42,048.09, 58,030.43 and 31,419.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,048.09 : 58,030.43 = 31,419.27 : x
2. Step 2: Convert to fraction form
   42,048.09/58,030.43 = 31,419.27/x
3. Step 3: Cross multiply
   42,048.09x = 58,030.43 × 31,419.27
4. Step 4: Simplify right side
   42,048.09x = 1,823,273,591.29
5. Step 5: Solve for x
   x = 1,823,273,591.29/42,048.09
6. Step 6: Final answer
   x = 43,361.63