Finding the Fourth Proportional to 21,855.96, 32,784.55 and 7,064.96

Step by Step Solution

1. Step 1: Write the proportion equation
   21,855.96 : 32,784.55 = 7,064.96 : x
2. Step 2: Convert to fraction form
   21,855.96/32,784.55 = 7,064.96/x
3. Step 3: Cross multiply
   21,855.96x = 32,784.55 × 7,064.96
4. Step 4: Simplify right side
   21,855.96x = 231,621,352.78
5. Step 5: Solve for x
   x = 231,621,352.78/21,855.96
6. Step 6: Final answer
   x = 10,597.63