Finding the Fourth Proportional to 14,354.79, 19,810.72 and 8,612.46

Step by Step Solution

1. Step 1: Write the proportion equation
   14,354.79 : 19,810.72 = 8,612.46 : x
2. Step 2: Convert to fraction form
   14,354.79/19,810.72 = 8,612.46/x
3. Step 3: Cross multiply
   14,354.79x = 19,810.72 × 8,612.46
4. Step 4: Simplify right side
   14,354.79x = 170,619,033.57
5. Step 5: Solve for x
   x = 170,619,033.57/14,354.79
6. Step 6: Final answer
   x = 11,885.86