Finding the Fourth Proportional to 21,774.72, 32,661.36 and 9,462.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,774.72 : 32,661.36 = 9,462.72 : x
2. Step 2: Convert to fraction form
   21,774.72/32,661.36 = 9,462.72/x
3. Step 3: Cross multiply
   21,774.72x = 32,661.36 × 9,462.72
4. Step 4: Simplify right side
   21,774.72x = 309,065,304.50
5. Step 5: Solve for x
   x = 309,065,304.50/21,774.72
6. Step 6: Final answer
   x = 14,193.77