Finding the Fourth Proportional to 21,360.69, 32,040.06 and 7,321.96

Step by Step Solution

1. Step 1: Write the proportion equation
   21,360.69 : 32,040.06 = 7,321.96 : x
2. Step 2: Convert to fraction form
   21,360.69/32,040.06 = 7,321.96/x
3. Step 3: Cross multiply
   21,360.69x = 32,040.06 × 7,321.96
4. Step 4: Simplify right side
   21,360.69x = 234,596,037.72
5. Step 5: Solve for x
   x = 234,596,037.72/21,360.69
6. Step 6: Final answer
   x = 10,982.61