Finding the Fourth Proportional to 42,660.78, 58,871.82 and 23,540.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42,660.78 : 58,871.82 = 23,540.55 : x
2. Step 2: Convert to fraction form
   42,660.78/58,871.82 = 23,540.55/x
3. Step 3: Cross multiply
   42,660.78x = 58,871.82 × 23,540.55
4. Step 4: Simplify right side
   42,660.78x = 1,385,875,022.30
5. Step 5: Solve for x
   x = 1,385,875,022.30/42,660.78
6. Step 6: Final answer
   x = 32,485.93