Finding the Fourth Proportional to 8,499.49, 11,721.24 and 7,084.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.49 : 11,721.24 = 7,084.91 : x
2. Step 2: Convert to fraction form
   8,499.49/11,721.24 = 7,084.91/x
3. Step 3: Cross multiply
   8,499.49x = 11,721.24 × 7,084.91
4. Step 4: Simplify right side
   8,499.49x = 83,043,959.79
5. Step 5: Solve for x
   x = 83,043,959.79/8,499.49
6. Step 6: Final answer
   x = 9,770.47