Finding the Fourth Proportional to 20,641.98, 30,963.06 and 5,059.62

Step by Step Solution

1. Step 1: Write the proportion equation
   20,641.98 : 30,963.06 = 5,059.62 : x
2. Step 2: Convert to fraction form
   20,641.98/30,963.06 = 5,059.62/x
3. Step 3: Cross multiply
   20,641.98x = 30,963.06 × 5,059.62
4. Step 4: Simplify right side
   20,641.98x = 156,661,317.64
5. Step 5: Solve for x
   x = 156,661,317.64/20,641.98
6. Step 6: Final answer
   x = 7,589.45