Finding the Fourth Proportional to 59,939.09, 89,879.92 and 28,322.84

Step by Step Solution

1. Step 1: Write the proportion equation
   59,939.09 : 89,879.92 = 28,322.84 : x
2. Step 2: Convert to fraction form
   59,939.09/89,879.92 = 28,322.84/x
3. Step 3: Cross multiply
   59,939.09x = 89,879.92 × 28,322.84
4. Step 4: Simplify right side
   59,939.09x = 2,545,654,593.37
5. Step 5: Solve for x
   x = 2,545,654,593.37/59,939.09
6. Step 6: Final answer
   x = 42,470.69