Finding the Fourth Proportional to 9,084.00, 12,530.79 and 5,721.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,084.00 : 12,530.79 = 5,721.03 : x
2. Step 2: Convert to fraction form
   9,084.00/12,530.79 = 5,721.03/x
3. Step 3: Cross multiply
   9,084.00x = 12,530.79 × 5,721.03
4. Step 4: Simplify right side
   9,084.00x = 71,689,078.29
5. Step 5: Solve for x
   x = 71,689,078.29/9,084.00
6. Step 6: Final answer
   x = 7,891.80