Finding the Fourth Proportional to 42,028.89, 58,056.65 and 33,590.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,028.89 : 58,056.65 = 33,590.15 : x
2. Step 2: Convert to fraction form
   42,028.89/58,056.65 = 33,590.15/x
3. Step 3: Cross multiply
   42,028.89x = 58,056.65 × 33,590.15
4. Step 4: Simplify right side
   42,028.89x = 1,950,131,582.00
5. Step 5: Solve for x
   x = 1,950,131,582.00/42,028.89
6. Step 6: Final answer
   x = 46,399.79