Finding the Fourth Proportional to 42,993.24, 59,350.69 and 28,676.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,993.24 : 59,350.69 = 28,676.89 : x
2. Step 2: Convert to fraction form
   42,993.24/59,350.69 = 28,676.89/x
3. Step 3: Cross multiply
   42,993.24x = 59,350.69 × 28,676.89
4. Step 4: Simplify right side
   42,993.24x = 1,701,993,208.55
5. Step 5: Solve for x
   x = 1,701,993,208.55/42,993.24
6. Step 6: Final answer
   x = 39,587.46