Finding the Fourth Proportional to 42,319.20, 58,402.48 and 23,456.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,319.20 : 58,402.48 = 23,456.76 : x
2. Step 2: Convert to fraction form
   42,319.20/58,402.48 = 23,456.76/x
3. Step 3: Cross multiply
   42,319.20x = 58,402.48 × 23,456.76
4. Step 4: Simplify right side
   42,319.20x = 1,369,932,956.76
5. Step 5: Solve for x
   x = 1,369,932,956.76/42,319.20
6. Step 6: Final answer
   x = 32,371.43