Finding the Fourth Proportional to 21,800.72, 32,422.42 and 21,567.44

Step by Step Solution

1. Step 1: Write the proportion equation
   21,800.72 : 32,422.42 = 21,567.44 : x
2. Step 2: Convert to fraction form
   21,800.72/32,422.42 = 21,567.44/x
3. Step 3: Cross multiply
   21,800.72x = 32,422.42 × 21,567.44
4. Step 4: Simplify right side
   21,800.72x = 699,268,598.00
5. Step 5: Solve for x
   x = 699,268,598.00/21,800.72
6. Step 6: Final answer
   x = 32,075.48