Finding the Fourth Proportional to 21,962.84, 30,322.72 and 14,422.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,962.84 : 30,322.72 = 14,422.56 : x
2. Step 2: Convert to fraction form
   21,962.84/30,322.72 = 14,422.56/x
3. Step 3: Cross multiply
   21,962.84x = 30,322.72 × 14,422.56
4. Step 4: Simplify right side
   21,962.84x = 437,331,248.56
5. Step 5: Solve for x
   x = 437,331,248.56/21,962.84
6. Step 6: Final answer
   x = 19,912.33