Finding the Fourth Proportional to 19,114.55, 28,660.88 and 7,414.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,114.55 : 28,660.88 = 7,414.10 : x
2. Step 2: Convert to fraction form
   19,114.55/28,660.88 = 7,414.10/x
3. Step 3: Cross multiply
   19,114.55x = 28,660.88 × 7,414.10
4. Step 4: Simplify right side
   19,114.55x = 212,494,450.03
5. Step 5: Solve for x
   x = 212,494,450.03/19,114.55
6. Step 6: Final answer
   x = 11,116.90