Finding the Fourth Proportional to 14,929.57, 20,580.72 and 9,551.43

Step by Step Solution

1. Step 1: Write the proportion equation
   14,929.57 : 20,580.72 = 9,551.43 : x
2. Step 2: Convert to fraction form
   14,929.57/20,580.72 = 9,551.43/x
3. Step 3: Cross multiply
   14,929.57x = 20,580.72 × 9,551.43
4. Step 4: Simplify right side
   14,929.57x = 196,575,203.53
5. Step 5: Solve for x
   x = 196,575,203.53/14,929.57
6. Step 6: Final answer
   x = 13,166.84