Finding the Fourth Proportional to 42,661.74, 58,777.06 and 29,728.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,661.74 : 58,777.06 = 29,728.83 : x
2. Step 2: Convert to fraction form
   42,661.74/58,777.06 = 29,728.83/x
3. Step 3: Cross multiply
   42,661.74x = 58,777.06 × 29,728.83
4. Step 4: Simplify right side
   42,661.74x = 1,747,373,188.33
5. Step 5: Solve for x
   x = 1,747,373,188.33/42,661.74
6. Step 6: Final answer
   x = 40,958.78