Finding the Fourth Proportional to 8,747.98, 12,069.33 and 5,210.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,747.98 : 12,069.33 = 5,210.71 : x
2. Step 2: Convert to fraction form
   8,747.98/12,069.33 = 5,210.71/x
3. Step 3: Cross multiply
   8,747.98x = 12,069.33 × 5,210.71
4. Step 4: Simplify right side
   8,747.98x = 62,889,778.52
5. Step 5: Solve for x
   x = 62,889,778.52/8,747.98
6. Step 6: Final answer
   x = 7,189.06