Finding the Fourth Proportional to 9,321.07, 12,865.61 and 5,496.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,321.07 : 12,865.61 = 5,496.05 : x
2. Step 2: Convert to fraction form
   9,321.07/12,865.61 = 5,496.05/x
3. Step 3: Cross multiply
   9,321.07x = 12,865.61 × 5,496.05
4. Step 4: Simplify right side
   9,321.07x = 70,710,008.36
5. Step 5: Solve for x
   x = 70,710,008.36/9,321.07
6. Step 6: Final answer
   x = 7,586.04