Finding the Fourth Proportional to 42,141.28, 58,155.18 and 23,020.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,141.28 : 58,155.18 = 23,020.48 : x
2. Step 2: Convert to fraction form
   42,141.28/58,155.18 = 23,020.48/x
3. Step 3: Cross multiply
   42,141.28x = 58,155.18 × 23,020.48
4. Step 4: Simplify right side
   42,141.28x = 1,338,760,158.09
5. Step 5: Solve for x
   x = 1,338,760,158.09/42,141.28
6. Step 6: Final answer
   x = 31,768.38