Finding the Fourth Proportional to 14,414.76, 21,627 and 14,317.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,414.76 : 21,627 = 14,317.56 : x
2. Step 2: Convert to fraction form
   14,414.76/21,627 = 14,317.56/x
3. Step 3: Cross multiply
   14,414.76x = 21,627 × 14,317.56
4. Step 4: Simplify right side
   14,414.76x = 309,645,870.12
5. Step 5: Solve for x
   x = 309,645,870.12/14,414.76
6. Step 6: Final answer
   x = 21,481.17