Finding the Fourth Proportional to 47,589.69, 65,685.83 and 28,480.98

Step by Step Solution

1. Step 1: Write the proportion equation
   47,589.69 : 65,685.83 = 28,480.98 : x
2. Step 2: Convert to fraction form
   47,589.69/65,685.83 = 28,480.98/x
3. Step 3: Cross multiply
   47,589.69x = 65,685.83 × 28,480.98
4. Step 4: Simplify right side
   47,589.69x = 1,870,796,810.51
5. Step 5: Solve for x
   x = 1,870,796,810.51/47,589.69
6. Step 6: Final answer
   x = 39,310.97