Finding the Fourth Proportional to 9,211.82, 12,712.37 and 5,020.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,211.82 : 12,712.37 = 5,020.07 : x
2. Step 2: Convert to fraction form
   9,211.82/12,712.37 = 5,020.07/x
3. Step 3: Cross multiply
   9,211.82x = 12,712.37 × 5,020.07
4. Step 4: Simplify right side
   9,211.82x = 63,816,987.27
5. Step 5: Solve for x
   x = 63,816,987.27/9,211.82
6. Step 6: Final answer
   x = 6,927.73