Finding the Fourth Proportional to 42,306.28, 58,383.66 and 23,443

Step by Step Solution

1. Step 1: Write the proportion equation
   42,306.28 : 58,383.66 = 23,443 : x
2. Step 2: Convert to fraction form
   42,306.28/58,383.66 = 23,443/x
3. Step 3: Cross multiply
   42,306.28x = 58,383.66 × 23,443
4. Step 4: Simplify right side
   42,306.28x = 1,368,688,141.38
5. Step 5: Solve for x
   x = 1,368,688,141.38/42,306.28
6. Step 6: Final answer
   x = 32,351.89