Finding the Fourth Proportional to 21,895.56, 32,859.18 and 8,751.60

Step by Step Solution

1. Step 1: Write the proportion equation
   21,895.56 : 32,859.18 = 8,751.60 : x
2. Step 2: Convert to fraction form
   21,895.56/32,859.18 = 8,751.60/x
3. Step 3: Cross multiply
   21,895.56x = 32,859.18 × 8,751.60
4. Step 4: Simplify right side
   21,895.56x = 287,570,399.69
5. Step 5: Solve for x
   x = 287,570,399.69/21,895.56
6. Step 6: Final answer
   x = 13,133.73