Finding the Fourth Proportional to 42,728.92, 58,965.55 and 23,608.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,728.92 : 58,965.55 = 23,608.63 : x
2. Step 2: Convert to fraction form
   42,728.92/58,965.55 = 23,608.63/x
3. Step 3: Cross multiply
   42,728.92x = 58,965.55 × 23,608.63
4. Step 4: Simplify right side
   42,728.92x = 1,392,096,000.18
5. Step 5: Solve for x
   x = 1,392,096,000.18/42,728.92
6. Step 6: Final answer
   x = 32,579.72