Finding the Fourth Proportional to 42,319.28, 58,402.62 and 23,456.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,319.28 : 58,402.62 = 23,456.42 : x
2. Step 2: Convert to fraction form
   42,319.28/58,402.62 = 23,456.42/x
3. Step 3: Cross multiply
   42,319.28x = 58,402.62 × 23,456.42
4. Step 4: Simplify right side
   42,319.28x = 1,369,916,383.82
5. Step 5: Solve for x
   x = 1,369,916,383.82/42,319.28
6. Step 6: Final answer
   x = 32,370.98