Finding the Fourth Proportional to 42,033.99, 58,007.31 and 23,171.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,033.99 : 58,007.31 = 23,171.79 : x
2. Step 2: Convert to fraction form
   42,033.99/58,007.31 = 23,171.79/x
3. Step 3: Cross multiply
   42,033.99x = 58,007.31 × 23,171.79
4. Step 4: Simplify right side
   42,033.99x = 1,344,133,205.78
5. Step 5: Solve for x
   x = 1,344,133,205.78/42,033.99
6. Step 6: Final answer
   x = 31,977.29