Finding the Fourth Proportional to 14,354.88, 21,404.04 and 14,326.80

Step by Step Solution

1. Step 1: Write the proportion equation
   14,354.88 : 21,404.04 = 14,326.80 : x
2. Step 2: Convert to fraction form
   14,354.88/21,404.04 = 14,326.80/x
3. Step 3: Cross multiply
   14,354.88x = 21,404.04 × 14,326.80
4. Step 4: Simplify right side
   14,354.88x = 306,651,400.27
5. Step 5: Solve for x
   x = 306,651,400.27/14,354.88
6. Step 6: Final answer
   x = 21,362.17