Finding the Fourth Proportional to 9,489.84, 13,095.30 and 5,511.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,489.84 : 13,095.30 = 5,511.32 : x
2. Step 2: Convert to fraction form
   9,489.84/13,095.30 = 5,511.32/x
3. Step 3: Cross multiply
   9,489.84x = 13,095.30 × 5,511.32
4. Step 4: Simplify right side
   9,489.84x = 72,172,388.80
5. Step 5: Solve for x
   x = 72,172,388.80/9,489.84
6. Step 6: Final answer
   x = 7,605.23