Finding the Fourth Proportional to 19,084.88, 28,630.38 and 5,940.30

Step by Step Solution

1. Step 1: Write the proportion equation
   19,084.88 : 28,630.38 = 5,940.30 : x
2. Step 2: Convert to fraction form
   19,084.88/28,630.38 = 5,940.30/x
3. Step 3: Cross multiply
   19,084.88x = 28,630.38 × 5,940.30
4. Step 4: Simplify right side
   19,084.88x = 170,073,046.31
5. Step 5: Solve for x
   x = 170,073,046.31/19,084.88
6. Step 6: Final answer
   x = 8,911.40